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Finding the Fourth Proportional to 234,891.57, 324,014.80 and 149,912.85

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Solution

The fourth proportional to 234,891.57, 324,014.80 and 149,912.85 is: 206,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,891.57 : 324,014.80 = 149,912.85 : x
  2. Step 2: Convert to fraction form
    234,891.57/324,014.80 = 149,912.85/x
  3. Step 3: Cross multiply
    234,891.57x = 324,014.80 × 149,912.85
  4. Step 4: Simplify right side
    234,891.57x = 48,573,982,110.18
  5. Step 5: Solve for x
    x = 48,573,982,110.18/234,891.57
  6. Step 6: Final answer
    x = 206,793.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.