Home / 330,789.47-496,348.16-131,105.43

Finding the Fourth Proportional to 330,789.47, 496,348.16 and 131,105.43

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Solution

The fourth proportional to 330,789.47, 496,348.16 and 131,105.43 is: 196,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,789.47 : 496,348.16 = 131,105.43 : x
  2. Step 2: Convert to fraction form
    330,789.47/496,348.16 = 131,105.43/x
  3. Step 3: Cross multiply
    330,789.47x = 496,348.16 × 131,105.43
  4. Step 4: Simplify right side
    330,789.47x = 65,073,938,290.98
  5. Step 5: Solve for x
    x = 65,073,938,290.98/330,789.47
  6. Step 6: Final answer
    x = 196,723.13

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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.