Home / 220,171.30-329,868.15-180,513.70

Finding the Fourth Proportional to 220,171.30, 329,868.15 and 180,513.70

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Solution

The fourth proportional to 220,171.30, 329,868.15 and 180,513.70 is: 270,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,171.30 : 329,868.15 = 180,513.70 : x
  2. Step 2: Convert to fraction form
    220,171.30/329,868.15 = 180,513.70/x
  3. Step 3: Cross multiply
    220,171.30x = 329,868.15 × 180,513.70
  4. Step 4: Simplify right side
    220,171.30x = 59,545,720,268.66
  5. Step 5: Solve for x
    x = 59,545,720,268.66/220,171.30
  6. Step 6: Final answer
    x = 270,451.78

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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.