Home / 372,003.60-558,224.10-135,370.20

Finding the Fourth Proportional to 372,003.60, 558,224.10 and 135,370.20

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Solution

The fourth proportional to 372,003.60, 558,224.10 and 135,370.20 is: 203,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,003.60 : 558,224.10 = 135,370.20 : x
  2. Step 2: Convert to fraction form
    372,003.60/558,224.10 = 135,370.20/x
  3. Step 3: Cross multiply
    372,003.60x = 558,224.10 × 135,370.20
  4. Step 4: Simplify right side
    372,003.60x = 75,566,908,061.82
  5. Step 5: Solve for x
    x = 75,566,908,061.82/372,003.60
  6. Step 6: Final answer
    x = 203,134.88

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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.