Home / 329,729.10-494,335.27-130,198.83

Finding the Fourth Proportional to 329,729.10, 494,335.27 and 130,198.83

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Solution

The fourth proportional to 329,729.10, 494,335.27 and 130,198.83 is: 195,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,729.10 : 494,335.27 = 130,198.83 : x
  2. Step 2: Convert to fraction form
    329,729.10/494,335.27 = 130,198.83/x
  3. Step 3: Cross multiply
    329,729.10x = 494,335.27 × 130,198.83
  4. Step 4: Simplify right side
    329,729.10x = 64,361,873,781.73
  5. Step 5: Solve for x
    x = 64,361,873,781.73/329,729.10
  6. Step 6: Final answer
    x = 195,196.22

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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.