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Finding the Fourth Proportional to 234,667.85, 323,839.65 and 132,713.33

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Solution

The fourth proportional to 234,667.85, 323,839.65 and 132,713.33 is: 183,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,667.85 : 323,839.65 = 132,713.33 : x
  2. Step 2: Convert to fraction form
    234,667.85/323,839.65 = 132,713.33/x
  3. Step 3: Cross multiply
    234,667.85x = 323,839.65 × 132,713.33
  4. Step 4: Simplify right side
    234,667.85x = 42,977,838,337.53
  5. Step 5: Solve for x
    x = 42,977,838,337.53/234,667.85
  6. Step 6: Final answer
    x = 183,143.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.