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Finding the Fourth Proportional to 234,304.62, 323,339.88 and 126,874.95

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Solution

The fourth proportional to 234,304.62, 323,339.88 and 126,874.95 is: 175,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,304.62 : 323,339.88 = 126,874.95 : x
  2. Step 2: Convert to fraction form
    234,304.62/323,339.88 = 126,874.95/x
  3. Step 3: Cross multiply
    234,304.62x = 323,339.88 × 126,874.95
  4. Step 4: Simplify right side
    234,304.62x = 41,023,731,108.01
  5. Step 5: Solve for x
    x = 41,023,731,108.01/234,304.62
  6. Step 6: Final answer
    x = 175,087.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.