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Finding the Fourth Proportional to 510,269.52, 765,577.25 and 225,920.85

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Solution

The fourth proportional to 510,269.52, 765,577.25 and 225,920.85 is: 338,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,269.52 : 765,577.25 = 225,920.85 : x
  2. Step 2: Convert to fraction form
    510,269.52/765,577.25 = 225,920.85/x
  3. Step 3: Cross multiply
    510,269.52x = 765,577.25 × 225,920.85
  4. Step 4: Simplify right side
    510,269.52x = 172,959,861,931.06
  5. Step 5: Solve for x
    x = 172,959,861,931.06/510,269.52
  6. Step 6: Final answer
    x = 338,957.85

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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.