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Finding the Fourth Proportional to 225,091.75, 337,512.98 and 92,065.43

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Solution

The fourth proportional to 225,091.75, 337,512.98 and 92,065.43 is: 138,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,091.75 : 337,512.98 = 92,065.43 : x
  2. Step 2: Convert to fraction form
    225,091.75/337,512.98 = 92,065.43/x
  3. Step 3: Cross multiply
    225,091.75x = 337,512.98 × 92,065.43
  4. Step 4: Simplify right side
    225,091.75x = 31,073,275,486.39
  5. Step 5: Solve for x
    x = 31,073,275,486.39/225,091.75
  6. Step 6: Final answer
    x = 138,047.16

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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.