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Finding the Fourth Proportional to 253,169.78, 379,531.17 and 95,508.95

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Solution

The fourth proportional to 253,169.78, 379,531.17 and 95,508.95 is: 143,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,169.78 : 379,531.17 = 95,508.95 : x
  2. Step 2: Convert to fraction form
    253,169.78/379,531.17 = 95,508.95/x
  3. Step 3: Cross multiply
    253,169.78x = 379,531.17 × 95,508.95
  4. Step 4: Simplify right side
    253,169.78x = 36,248,621,641.32
  5. Step 5: Solve for x
    x = 36,248,621,641.32/253,169.78
  6. Step 6: Final answer
    x = 143,179.10

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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.