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Finding the Fourth Proportional to 225,141.65, 337,845.07 and 83,086.89

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Solution

The fourth proportional to 225,141.65, 337,845.07 and 83,086.89 is: 124,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,141.65 : 337,845.07 = 83,086.89 : x
  2. Step 2: Convert to fraction form
    225,141.65/337,845.07 = 83,086.89/x
  3. Step 3: Cross multiply
    225,141.65x = 337,845.07 × 83,086.89
  4. Step 4: Simplify right side
    225,141.65x = 28,070,496,168.13
  5. Step 5: Solve for x
    x = 28,070,496,168.13/225,141.65
  6. Step 6: Final answer
    x = 124,679.27

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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.