Home / 372,439.92-558,884.04-135,802.80

Finding the Fourth Proportional to 372,439.92, 558,884.04 and 135,802.80

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Solution

The fourth proportional to 372,439.92, 558,884.04 and 135,802.80 is: 203,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,439.92 : 558,884.04 = 135,802.80 : x
  2. Step 2: Convert to fraction form
    372,439.92/558,884.04 = 135,802.80/x
  3. Step 3: Cross multiply
    372,439.92x = 558,884.04 × 135,802.80
  4. Step 4: Simplify right side
    372,439.92x = 75,898,017,507.31
  5. Step 5: Solve for x
    x = 75,898,017,507.31/372,439.92
  6. Step 6: Final answer
    x = 203,785.94

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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.