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Finding the Fourth Proportional to 234,396.47, 323,447.95 and 132,430.78

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Solution

The fourth proportional to 234,396.47, 323,447.95 and 132,430.78 is: 182,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,396.47 : 323,447.95 = 132,430.78 : x
  2. Step 2: Convert to fraction form
    234,396.47/323,447.95 = 132,430.78/x
  3. Step 3: Cross multiply
    234,396.47x = 323,447.95 × 132,430.78
  4. Step 4: Simplify right side
    234,396.47x = 42,834,464,877.75
  5. Step 5: Solve for x
    x = 42,834,464,877.75/234,396.47
  6. Step 6: Final answer
    x = 182,743.65

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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.