Home / 269,640.56-372,115.82-154,956.11

Finding the Fourth Proportional to 269,640.56, 372,115.82 and 154,956.11

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Solution

The fourth proportional to 269,640.56, 372,115.82 and 154,956.11 is: 213,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,640.56 : 372,115.82 = 154,956.11 : x
  2. Step 2: Convert to fraction form
    269,640.56/372,115.82 = 154,956.11/x
  3. Step 3: Cross multiply
    269,640.56x = 372,115.82 × 154,956.11
  4. Step 4: Simplify right side
    269,640.56x = 57,661,618,463.47
  5. Step 5: Solve for x
    x = 57,661,618,463.47/269,640.56
  6. Step 6: Final answer
    x = 213,846.23

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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.