Finding the Fourth Proportional to 202,020.62, 303,028.92 and 77,361.62
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Solution
The fourth proportional to 202,020.62, 303,028.92 and 77,361.62 is: 116,041.66
Step by Step Solution
- Step 1: Write the proportion equation
202,020.62 : 303,028.92 = 77,361.62 : x - Step 2: Convert to fraction form
202,020.62/303,028.92 = 77,361.62/x - Step 3: Cross multiply
202,020.62x = 303,028.92 × 77,361.62 - Step 4: Simplify right side
202,020.62x = 23,442,806,642.91 - Step 5: Solve for x
x = 23,442,806,642.91/202,020.62 - Step 6: Final answer
x = 116,041.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.