Ratio and Proportion : formulas, tricks | proportion and ratio examples
Ratio and Proportion : Ratio: In a cricket match, Sachin scored 160 runs and Rahul scored 80 runs. We can compare their scores in two ways : 1) By Subtraction : Sachin's score - Rahul's score = 160 - 80 = 80 Thus, we see that Sachin has scored 80 runs more than Rahul. 2 ) By division : Let us see how many times Sachin's score is that of Rahul's. To do this, we shall divide Sachin's score by Rahul's. Sachin's score / Rahul's score = 160 / 80 = 2 / 1. Thus, we see, that Sachin's score is 2 times Rahul's score. Definition of Ratio : "When two quantities are compared by division, then the quotient of that division is called a 'ratio'. The colon ':' is used to express a ratio." The ratio x/y is written as 'x:y' and is read as 'x is to y'. In the ratio x : y , we call x as the first te...