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Finding the Fourth Proportional to 246,134, 339,664.92 and 132,956.76

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Solution

The fourth proportional to 246,134, 339,664.92 and 132,956.76 is: 183,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,134 : 339,664.92 = 132,956.76 : x
  2. Step 2: Convert to fraction form
    246,134/339,664.92 = 132,956.76/x
  3. Step 3: Cross multiply
    246,134x = 339,664.92 × 132,956.76
  4. Step 4: Simplify right side
    246,134x = 45,160,747,248.86
  5. Step 5: Solve for x
    x = 45,160,747,248.86/246,134
  6. Step 6: Final answer
    x = 183,480.33

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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.