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Finding the Fourth Proportional to 221,911.04, 332,866.56 and 74,167.04

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Solution

The fourth proportional to 221,911.04, 332,866.56 and 74,167.04 is: 111,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,911.04 : 332,866.56 = 74,167.04 : x
  2. Step 2: Convert to fraction form
    221,911.04/332,866.56 = 74,167.04/x
  3. Step 3: Cross multiply
    221,911.04x = 332,866.56 × 74,167.04
  4. Step 4: Simplify right side
    221,911.04x = 24,687,727,470.18
  5. Step 5: Solve for x
    x = 24,687,727,470.18/221,911.04
  6. Step 6: Final answer
    x = 111,250.56

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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.