Home / 269,921.21-372,472.50-149,061.43

Finding the Fourth Proportional to 269,921.21, 372,472.50 and 149,061.43

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Solution

The fourth proportional to 269,921.21, 372,472.50 and 149,061.43 is: 205,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,921.21 : 372,472.50 = 149,061.43 : x
  2. Step 2: Convert to fraction form
    269,921.21/372,472.50 = 149,061.43/x
  3. Step 3: Cross multiply
    269,921.21x = 372,472.50 × 149,061.43
  4. Step 4: Simplify right side
    269,921.21x = 55,521,284,510.25
  5. Step 5: Solve for x
    x = 55,521,284,510.25/269,921.21
  6. Step 6: Final answer
    x = 205,694.42

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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.