Home / 269,616.44-372,072.06-148,757.78

Finding the Fourth Proportional to 269,616.44, 372,072.06 and 148,757.78

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Solution

The fourth proportional to 269,616.44, 372,072.06 and 148,757.78 is: 205,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,616.44 : 372,072.06 = 148,757.78 : x
  2. Step 2: Convert to fraction form
    269,616.44/372,072.06 = 148,757.78/x
  3. Step 3: Cross multiply
    269,616.44x = 372,072.06 × 148,757.78
  4. Step 4: Simplify right side
    269,616.44x = 55,348,613,645.63
  5. Step 5: Solve for x
    x = 55,348,613,645.63/269,616.44
  6. Step 6: Final answer
    x = 205,286.49

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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.