Finding the Fourth Proportional to 472,387.60, 708,368.12 and 135,351.06
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Solution
The fourth proportional to 472,387.60, 708,368.12 and 135,351.06 is: 202,965.48
Step by Step Solution
- Step 1: Write the proportion equation
472,387.60 : 708,368.12 = 135,351.06 : x - Step 2: Convert to fraction form
472,387.60/708,368.12 = 135,351.06/x - Step 3: Cross multiply
472,387.60x = 708,368.12 × 135,351.06 - Step 4: Simplify right side
472,387.60x = 95,878,375,912.21 - Step 5: Solve for x
x = 95,878,375,912.21/472,387.60 - Step 6: Final answer
x = 202,965.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.