If x and y are directly proportional, find the value of x1, x2 and y2 in the table given below:


X



3



x1,



x2



10



Y



72



120



192



y2


We use the relation Here x1 = 5, y1 = 210 and x2 = 2


Here,


⇒ x1 × 72 = 3 × 120


⇒ x1 = = 5


Now,


⇒ x2 × 72 = 3 × 192


⇒ x2 = = 8


And


⇒ y2 × 3 = 10 × 72


⇒ y2 = = 240


2