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Finding the Fourth Proportional to 234,694.91, 351,901.76 and 74,701.73

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Solution

The fourth proportional to 234,694.91, 351,901.76 and 74,701.73 is: 112,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,694.91 : 351,901.76 = 74,701.73 : x
  2. Step 2: Convert to fraction form
    234,694.91/351,901.76 = 74,701.73/x
  3. Step 3: Cross multiply
    234,694.91x = 351,901.76 × 74,701.73
  4. Step 4: Simplify right side
    234,694.91x = 26,287,668,129.03
  5. Step 5: Solve for x
    x = 26,287,668,129.03/234,694.91
  6. Step 6: Final answer
    x = 112,007.83

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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.