Home / 664,723.80-996,891.30-238,210.20

Finding the Fourth Proportional to 664,723.80, 996,891.30 and 238,210.20

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Solution

The fourth proportional to 664,723.80, 996,891.30 and 238,210.20 is: 357,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,723.80 : 996,891.30 = 238,210.20 : x
  2. Step 2: Convert to fraction form
    664,723.80/996,891.30 = 238,210.20/x
  3. Step 3: Cross multiply
    664,723.80x = 996,891.30 × 238,210.20
  4. Step 4: Simplify right side
    664,723.80x = 237,469,675,951.26
  5. Step 5: Solve for x
    x = 237,469,675,951.26/664,723.80
  6. Step 6: Final answer
    x = 357,245.63

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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.