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Finding the Fourth Proportional to 347,131, 520,497.24 and 136,654.12

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Solution

The fourth proportional to 347,131, 520,497.24 and 136,654.12 is: 204,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,131 : 520,497.24 = 136,654.12 : x
  2. Step 2: Convert to fraction form
    347,131/520,497.24 = 136,654.12/x
  3. Step 3: Cross multiply
    347,131x = 520,497.24 × 136,654.12
  4. Step 4: Simplify right side
    347,131x = 71,128,092,294.63
  5. Step 5: Solve for x
    x = 71,128,092,294.63/347,131
  6. Step 6: Final answer
    x = 204,902.74

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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.