Finding the Fourth Proportional to 472,666.18, 709,031.58 and 135,680.92
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Solution
The fourth proportional to 472,666.18, 709,031.58 and 135,680.92 is: 203,530.65
Step by Step Solution
- Step 1: Write the proportion equation
472,666.18 : 709,031.58 = 135,680.92 : x - Step 2: Convert to fraction form
472,666.18/709,031.58 = 135,680.92/x - Step 3: Cross multiply
472,666.18x = 709,031.58 × 135,680.92 - Step 4: Simplify right side
472,666.18x = 96,202,054,802.07 - Step 5: Solve for x
x = 96,202,054,802.07/472,666.18 - Step 6: Final answer
x = 203,530.65
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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.