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Finding the Fourth Proportional to 133,262.62, 199,864.49 and 38,472.21

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Solution

The fourth proportional to 133,262.62, 199,864.49 and 38,472.21 is: 57,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262.62 : 199,864.49 = 38,472.21 : x
  2. Step 2: Convert to fraction form
    133,262.62/199,864.49 = 38,472.21/x
  3. Step 3: Cross multiply
    133,262.62x = 199,864.49 × 38,472.21
  4. Step 4: Simplify right side
    133,262.62x = 7,689,228,438.46
  5. Step 5: Solve for x
    x = 7,689,228,438.46/133,262.62
  6. Step 6: Final answer
    x = 57,699.82

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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.