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Finding the Fourth Proportional to 220,000.69, 329,907.97 and 93,635.83

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Solution

The fourth proportional to 220,000.69, 329,907.97 and 93,635.83 is: 140,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,000.69 : 329,907.97 = 93,635.83 : x
  2. Step 2: Convert to fraction form
    220,000.69/329,907.97 = 93,635.83/x
  3. Step 3: Cross multiply
    220,000.69x = 329,907.97 × 93,635.83
  4. Step 4: Simplify right side
    220,000.69x = 30,891,206,594.57
  5. Step 5: Solve for x
    x = 30,891,206,594.57/220,000.69
  6. Step 6: Final answer
    x = 140,414.14

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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.