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Finding the Fourth Proportional to 250,937.19, 376,469.57 and 71,022.42

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Solution

The fourth proportional to 250,937.19, 376,469.57 and 71,022.42 is: 106,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,937.19 : 376,469.57 = 71,022.42 : x
  2. Step 2: Convert to fraction form
    250,937.19/376,469.57 = 71,022.42/x
  3. Step 3: Cross multiply
    250,937.19x = 376,469.57 × 71,022.42
  4. Step 4: Simplify right side
    250,937.19x = 26,737,780,095.32
  5. Step 5: Solve for x
    x = 26,737,780,095.32/250,937.19
  6. Step 6: Final answer
    x = 106,551.68

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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.