Home / 372,002.20-558,003.30-239,032.60

Finding the Fourth Proportional to 372,002.20, 558,003.30 and 239,032.60

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Solution

The fourth proportional to 372,002.20, 558,003.30 and 239,032.60 is: 358,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,002.20 : 558,003.30 = 239,032.60 : x
  2. Step 2: Convert to fraction form
    372,002.20/558,003.30 = 239,032.60/x
  3. Step 3: Cross multiply
    372,002.20x = 558,003.30 × 239,032.60
  4. Step 4: Simplify right side
    372,002.20x = 133,380,979,607.58
  5. Step 5: Solve for x
    x = 133,380,979,607.58/372,002.20
  6. Step 6: Final answer
    x = 358,548.90

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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.