Home / 372,301.20-558,451.80-147,715.20

Finding the Fourth Proportional to 372,301.20, 558,451.80 and 147,715.20

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Solution

The fourth proportional to 372,301.20, 558,451.80 and 147,715.20 is: 221,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,301.20 : 558,451.80 = 147,715.20 : x
  2. Step 2: Convert to fraction form
    372,301.20/558,451.80 = 147,715.20/x
  3. Step 3: Cross multiply
    372,301.20x = 558,451.80 × 147,715.20
  4. Step 4: Simplify right side
    372,301.20x = 82,491,819,327.36
  5. Step 5: Solve for x
    x = 82,491,819,327.36/372,301.20
  6. Step 6: Final answer
    x = 221,572.80

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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.