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Finding the Fourth Proportional to 438,757.82, 658,136.73 and 106,333.82

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Solution

The fourth proportional to 438,757.82, 658,136.73 and 106,333.82 is: 159,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,757.82 : 658,136.73 = 106,333.82 : x
  2. Step 2: Convert to fraction form
    438,757.82/658,136.73 = 106,333.82/x
  3. Step 3: Cross multiply
    438,757.82x = 658,136.73 × 106,333.82
  4. Step 4: Simplify right side
    438,757.82x = 69,982,189,292.53
  5. Step 5: Solve for x
    x = 69,982,189,292.53/438,757.82
  6. Step 6: Final answer
    x = 159,500.72

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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.