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Finding the Fourth Proportional to 510,285.53, 765,397.53 and 225,892.85

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Solution

The fourth proportional to 510,285.53, 765,397.53 and 225,892.85 is: 338,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,285.53 : 765,397.53 = 225,892.85 : x
  2. Step 2: Convert to fraction form
    510,285.53/765,397.53 = 225,892.85/x
  3. Step 3: Cross multiply
    510,285.53x = 765,397.53 × 225,892.85
  4. Step 4: Simplify right side
    510,285.53x = 172,897,825,607.67
  5. Step 5: Solve for x
    x = 172,897,825,607.67/510,285.53
  6. Step 6: Final answer
    x = 338,825.65

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1.5x scale

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.