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Finding the Fourth Proportional to 240,505.61, 331,999.97 and 149,906.70

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Solution

The fourth proportional to 240,505.61, 331,999.97 and 149,906.70 is: 206,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,505.61 : 331,999.97 = 149,906.70 : x
  2. Step 2: Convert to fraction form
    240,505.61/331,999.97 = 149,906.70/x
  3. Step 3: Cross multiply
    240,505.61x = 331,999.97 × 149,906.70
  4. Step 4: Simplify right side
    240,505.61x = 49,769,019,153.27
  5. Step 5: Solve for x
    x = 49,769,019,153.27/240,505.61
  6. Step 6: Final answer
    x = 206,934.97

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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.