Home / 372,001.80-558,002.70-135,352.20

Finding the Fourth Proportional to 372,001.80, 558,002.70 and 135,352.20

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Solution

The fourth proportional to 372,001.80, 558,002.70 and 135,352.20 is: 203,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,001.80 : 558,002.70 = 135,352.20 : x
  2. Step 2: Convert to fraction form
    372,001.80/558,002.70 = 135,352.20/x
  3. Step 3: Cross multiply
    372,001.80x = 558,002.70 × 135,352.20
  4. Step 4: Simplify right side
    372,001.80x = 75,526,893,050.94
  5. Step 5: Solve for x
    x = 75,526,893,050.94/372,001.80
  6. Step 6: Final answer
    x = 203,028.30

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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.