Home / 225,575.28-311,286.24-130,079.52

Finding the Fourth Proportional to 225,575.28, 311,286.24 and 130,079.52

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Solution

The fourth proportional to 225,575.28, 311,286.24 and 130,079.52 is: 179,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,575.28 : 311,286.24 = 130,079.52 : x
  2. Step 2: Convert to fraction form
    225,575.28/311,286.24 = 130,079.52/x
  3. Step 3: Cross multiply
    225,575.28x = 311,286.24 × 130,079.52
  4. Step 4: Simplify right side
    225,575.28x = 40,491,964,681.80
  5. Step 5: Solve for x
    x = 40,491,964,681.80/225,575.28
  6. Step 6: Final answer
    x = 179,505.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.