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Finding the Fourth Proportional to 225,104.79, 337,532.52 and 92,078.46

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Solution

The fourth proportional to 225,104.79, 337,532.52 and 92,078.46 is: 138,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,104.79 : 337,532.52 = 92,078.46 : x
  2. Step 2: Convert to fraction form
    225,104.79/337,532.52 = 92,078.46/x
  3. Step 3: Cross multiply
    225,104.79x = 337,532.52 × 92,078.46
  4. Step 4: Simplify right side
    225,104.79x = 31,079,474,641.52
  5. Step 5: Solve for x
    x = 31,079,474,641.52/225,104.79
  6. Step 6: Final answer
    x = 138,066.70

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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.