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Finding the Fourth Proportional to 225,491.19, 338,275.66 and 75,745.88

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Solution

The fourth proportional to 225,491.19, 338,275.66 and 75,745.88 is: 113,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,491.19 : 338,275.66 = 75,745.88 : x
  2. Step 2: Convert to fraction form
    225,491.19/338,275.66 = 75,745.88/x
  3. Step 3: Cross multiply
    225,491.19x = 338,275.66 × 75,745.88
  4. Step 4: Simplify right side
    225,491.19x = 25,622,988,584.33
  5. Step 5: Solve for x
    x = 25,622,988,584.33/225,491.19
  6. Step 6: Final answer
    x = 113,631.88

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1.5x scale

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.