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Finding the Fourth Proportional to 225,865.04, 338,524.08 and 125,919.08

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Solution

The fourth proportional to 225,865.04, 338,524.08 and 125,919.08 is: 188,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,865.04 : 338,524.08 = 125,919.08 : x
  2. Step 2: Convert to fraction form
    225,865.04/338,524.08 = 125,919.08/x
  3. Step 3: Cross multiply
    225,865.04x = 338,524.08 × 125,919.08
  4. Step 4: Simplify right side
    225,865.04x = 42,626,640,711.45
  5. Step 5: Solve for x
    x = 42,626,640,711.45/225,865.04
  6. Step 6: Final answer
    x = 188,726.16

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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.