Finding the Fourth Proportional to 497,691.20, 746,536.80 and 165,267.20
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Solution
The fourth proportional to 497,691.20, 746,536.80 and 165,267.20 is: 247,900.80
Step by Step Solution
- Step 1: Write the proportion equation
497,691.20 : 746,536.80 = 165,267.20 : x - Step 2: Convert to fraction form
497,691.20/746,536.80 = 165,267.20/x - Step 3: Cross multiply
497,691.20x = 746,536.80 × 165,267.20 - Step 4: Simplify right side
497,691.20x = 123,378,046,632.96 - Step 5: Solve for x
x = 123,378,046,632.96/497,691.20 - Step 6: Final answer
x = 247,900.80
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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.