Home / 269,945.72-372,520.86-149,084.04

Finding the Fourth Proportional to 269,945.72, 372,520.86 and 149,084.04

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Solution

The fourth proportional to 269,945.72, 372,520.86 and 149,084.04 is: 205,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,945.72 : 372,520.86 = 149,084.04 : x
  2. Step 2: Convert to fraction form
    269,945.72/372,520.86 = 149,084.04/x
  3. Step 3: Cross multiply
    269,945.72x = 372,520.86 × 149,084.04
  4. Step 4: Simplify right side
    269,945.72x = 55,536,914,793.07
  5. Step 5: Solve for x
    x = 55,536,914,793.07/269,945.72
  6. Step 6: Final answer
    x = 205,733.64

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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.