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Finding the Fourth Proportional to 225,440.82, 338,167.44 and 67,669.29

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Solution

The fourth proportional to 225,440.82, 338,167.44 and 67,669.29 is: 101,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,440.82 : 338,167.44 = 67,669.29 : x
  2. Step 2: Convert to fraction form
    225,440.82/338,167.44 = 67,669.29/x
  3. Step 3: Cross multiply
    225,440.82x = 338,167.44 × 67,669.29
  4. Step 4: Simplify right side
    225,440.82x = 22,883,550,565.92
  5. Step 5: Solve for x
    x = 22,883,550,565.92/225,440.82
  6. Step 6: Final answer
    x = 101,505.80

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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.