Home / 220,068.20-329,810.70-194,990.60

Finding the Fourth Proportional to 220,068.20, 329,810.70 and 194,990.60

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Solution

The fourth proportional to 220,068.20, 329,810.70 and 194,990.60 is: 292,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,068.20 : 329,810.70 = 194,990.60 : x
  2. Step 2: Convert to fraction form
    220,068.20/329,810.70 = 194,990.60/x
  3. Step 3: Cross multiply
    220,068.20x = 329,810.70 × 194,990.60
  4. Step 4: Simplify right side
    220,068.20x = 64,309,986,279.42
  5. Step 5: Solve for x
    x = 64,309,986,279.42/220,068.20
  6. Step 6: Final answer
    x = 292,227.53

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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.