Home / 392,444.20-588,666.30-192,892.60

Finding the Fourth Proportional to 392,444.20, 588,666.30 and 192,892.60

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Solution

The fourth proportional to 392,444.20, 588,666.30 and 192,892.60 is: 289,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,444.20 : 588,666.30 = 192,892.60 : x
  2. Step 2: Convert to fraction form
    392,444.20/588,666.30 = 192,892.60/x
  3. Step 3: Cross multiply
    392,444.20x = 588,666.30 × 192,892.60
  4. Step 4: Simplify right side
    392,444.20x = 113,549,373,139.38
  5. Step 5: Solve for x
    x = 113,549,373,139.38/392,444.20
  6. Step 6: Final answer
    x = 289,338.90

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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.