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Finding the Fourth Proportional to 225,939, 338,671.97 and 76,127.52

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Solution

The fourth proportional to 225,939, 338,671.97 and 76,127.52 is: 114,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,939 : 338,671.97 = 76,127.52 : x
  2. Step 2: Convert to fraction form
    225,939/338,671.97 = 76,127.52/x
  3. Step 3: Cross multiply
    225,939x = 338,671.97 × 76,127.52
  4. Step 4: Simplify right side
    225,939x = 25,782,257,169.61
  5. Step 5: Solve for x
    x = 25,782,257,169.61/225,939
  6. Step 6: Final answer
    x = 114,111.58

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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.