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Finding the Fourth Proportional to 538,227.78, 807,061.33 and 253,841.96

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Solution

The fourth proportional to 538,227.78, 807,061.33 and 253,841.96 is: 380,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,227.78 : 807,061.33 = 253,841.96 : x
  2. Step 2: Convert to fraction form
    538,227.78/807,061.33 = 253,841.96/x
  3. Step 3: Cross multiply
    538,227.78x = 807,061.33 × 253,841.96
  4. Step 4: Simplify right side
    538,227.78x = 204,866,029,847.41
  5. Step 5: Solve for x
    x = 204,866,029,847.41/538,227.78
  6. Step 6: Final answer
    x = 380,630.72

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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.