Home / 372,001.60-558,221.10-135,368.20

Finding the Fourth Proportional to 372,001.60, 558,221.10 and 135,368.20

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Solution

The fourth proportional to 372,001.60, 558,221.10 and 135,368.20 is: 203,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,001.60 : 558,221.10 = 135,368.20 : x
  2. Step 2: Convert to fraction form
    372,001.60/558,221.10 = 135,368.20/x
  3. Step 3: Cross multiply
    372,001.60x = 558,221.10 × 135,368.20
  4. Step 4: Simplify right side
    372,001.60x = 75,565,385,509.02
  5. Step 5: Solve for x
    x = 75,565,385,509.02/372,001.60
  6. Step 6: Final answer
    x = 203,131.88

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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.