Home / 220,079.66-329,581.09-198,780.23

Finding the Fourth Proportional to 220,079.66, 329,581.09 and 198,780.23

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Solution

The fourth proportional to 220,079.66, 329,581.09 and 198,780.23 is: 297,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,079.66 : 329,581.09 = 198,780.23 : x
  2. Step 2: Convert to fraction form
    220,079.66/329,581.09 = 198,780.23/x
  3. Step 3: Cross multiply
    220,079.66x = 329,581.09 × 198,780.23
  4. Step 4: Simplify right side
    220,079.66x = 65,514,204,873.85
  5. Step 5: Solve for x
    x = 65,514,204,873.85/220,079.66
  6. Step 6: Final answer
    x = 297,684.05

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1.5x scale

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.