Home / 372,249.12-558,049.68-239,167.20

Finding the Fourth Proportional to 372,249.12, 558,049.68 and 239,167.20

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Solution

The fourth proportional to 372,249.12, 558,049.68 and 239,167.20 is: 358,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,249.12 : 558,049.68 = 239,167.20 : x
  2. Step 2: Convert to fraction form
    372,249.12/558,049.68 = 239,167.20/x
  3. Step 3: Cross multiply
    372,249.12x = 558,049.68 × 239,167.20
  4. Step 4: Simplify right side
    372,249.12x = 133,467,179,426.50
  5. Step 5: Solve for x
    x = 133,467,179,426.50/372,249.12
  6. Step 6: Final answer
    x = 358,542.63

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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.