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Finding the Fourth Proportional to 510,215.96, 765,496.17 and 225,867.29

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Solution

The fourth proportional to 510,215.96, 765,496.17 and 225,867.29 is: 338,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,215.96 : 765,496.17 = 225,867.29 : x
  2. Step 2: Convert to fraction form
    510,215.96/765,496.17 = 225,867.29/x
  3. Step 3: Cross multiply
    510,215.96x = 765,496.17 × 225,867.29
  4. Step 4: Simplify right side
    510,215.96x = 172,900,541,595.80
  5. Step 5: Solve for x
    x = 172,900,541,595.80/510,215.96
  6. Step 6: Final answer
    x = 338,877.17

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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.