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Finding the Fourth Proportional to 225,779, 338,625.10 and 113,429.12

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Solution

The fourth proportional to 225,779, 338,625.10 and 113,429.12 is: 170,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,779 : 338,625.10 = 113,429.12 : x
  2. Step 2: Convert to fraction form
    225,779/338,625.10 = 113,429.12/x
  3. Step 3: Cross multiply
    225,779x = 338,625.10 × 113,429.12
  4. Step 4: Simplify right side
    225,779x = 38,409,947,102.91
  5. Step 5: Solve for x
    x = 38,409,947,102.91/225,779
  6. Step 6: Final answer
    x = 170,121.88

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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.