Home / 269,589.44-372,031.04-148,731.78

Finding the Fourth Proportional to 269,589.44, 372,031.04 and 148,731.78

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Solution

The fourth proportional to 269,589.44, 372,031.04 and 148,731.78 is: 205,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,589.44 : 372,031.04 = 148,731.78 : x
  2. Step 2: Convert to fraction form
    269,589.44/372,031.04 = 148,731.78/x
  3. Step 3: Cross multiply
    269,589.44x = 372,031.04 × 148,731.78
  4. Step 4: Simplify right side
    269,589.44x = 55,332,838,794.45
  5. Step 5: Solve for x
    x = 55,332,838,794.45/269,589.44
  6. Step 6: Final answer
    x = 205,248.54

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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.