Home / 220,100.20-329,858.70-195,022.60

Finding the Fourth Proportional to 220,100.20, 329,858.70 and 195,022.60

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Solution

The fourth proportional to 220,100.20, 329,858.70 and 195,022.60 is: 292,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100.20 : 329,858.70 = 195,022.60 : x
  2. Step 2: Convert to fraction form
    220,100.20/329,858.70 = 195,022.60/x
  3. Step 3: Cross multiply
    220,100.20x = 329,858.70 × 195,022.60
  4. Step 4: Simplify right side
    220,100.20x = 64,329,901,306.62
  5. Step 5: Solve for x
    x = 64,329,901,306.62/220,100.20
  6. Step 6: Final answer
    x = 292,275.52

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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.