Home / 392,002.82-587,863.04-135,766.00

Finding the Fourth Proportional to 392,002.82, 587,863.04 and 135,766.00

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Solution

The fourth proportional to 392,002.82, 587,863.04 and 135,766.00 is: 203,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,002.82 : 587,863.04 = 135,766.00 : x
  2. Step 2: Convert to fraction form
    392,002.82/587,863.04 = 135,766.00/x
  3. Step 3: Cross multiply
    392,002.82x = 587,863.04 × 135,766.00
  4. Step 4: Simplify right side
    392,002.82x = 79,811,812,358.40
  5. Step 5: Solve for x
    x = 79,811,812,358.40/392,002.82
  6. Step 6: Final answer
    x = 203,600.10

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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.