Home / 220,172.30-329,869.65-180,514.70

Finding the Fourth Proportional to 220,172.30, 329,869.65 and 180,514.70

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Solution

The fourth proportional to 220,172.30, 329,869.65 and 180,514.70 is: 270,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,172.30 : 329,869.65 = 180,514.70 : x
  2. Step 2: Convert to fraction form
    220,172.30/329,869.65 = 180,514.70/x
  3. Step 3: Cross multiply
    220,172.30x = 329,869.65 × 180,514.70
  4. Step 4: Simplify right side
    220,172.30x = 59,546,320,908.86
  5. Step 5: Solve for x
    x = 59,546,320,908.86/220,172.30
  6. Step 6: Final answer
    x = 270,453.28

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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.