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Finding the Fourth Proportional to 250,737.57, 376,171.97 and 73,260.09

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Solution

The fourth proportional to 250,737.57, 376,171.97 and 73,260.09 is: 109,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,737.57 : 376,171.97 = 73,260.09 : x
  2. Step 2: Convert to fraction form
    250,737.57/376,171.97 = 73,260.09/x
  3. Step 3: Cross multiply
    250,737.57x = 376,171.97 × 73,260.09
  4. Step 4: Simplify right side
    250,737.57x = 27,558,392,011.38
  5. Step 5: Solve for x
    x = 27,558,392,011.38/250,737.57
  6. Step 6: Final answer
    x = 109,909.30

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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.