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Finding the Fourth Proportional to 227,330.34, 340,958.78 and 107,387.04

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Solution

The fourth proportional to 227,330.34, 340,958.78 and 107,387.04 is: 161,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,330.34 : 340,958.78 = 107,387.04 : x
  2. Step 2: Convert to fraction form
    227,330.34/340,958.78 = 107,387.04/x
  3. Step 3: Cross multiply
    227,330.34x = 340,958.78 × 107,387.04
  4. Step 4: Simplify right side
    227,330.34x = 36,614,553,609.28
  5. Step 5: Solve for x
    x = 36,614,553,609.28/227,330.34
  6. Step 6: Final answer
    x = 161,063.21

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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.