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Finding the Fourth Proportional to 254,446.13, 381,844.17 and 88,234.13

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Solution

The fourth proportional to 254,446.13, 381,844.17 and 88,234.13 is: 132,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,446.13 : 381,844.17 = 88,234.13 : x
  2. Step 2: Convert to fraction form
    254,446.13/381,844.17 = 88,234.13/x
  3. Step 3: Cross multiply
    254,446.13x = 381,844.17 × 88,234.13
  4. Step 4: Simplify right side
    254,446.13x = 33,691,686,226.30
  5. Step 5: Solve for x
    x = 33,691,686,226.30/254,446.13
  6. Step 6: Final answer
    x = 132,411.87

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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.