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Finding the Fourth Proportional to 511,761.88, 767,642.82 and 179,337.88

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Solution

The fourth proportional to 511,761.88, 767,642.82 and 179,337.88 is: 269,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,761.88 : 767,642.82 = 179,337.88 : x
  2. Step 2: Convert to fraction form
    511,761.88/767,642.82 = 179,337.88/x
  3. Step 3: Cross multiply
    511,761.88x = 767,642.82 × 179,337.88
  4. Step 4: Simplify right side
    511,761.88x = 137,667,431,201.12
  5. Step 5: Solve for x
    x = 137,667,431,201.12/511,761.88
  6. Step 6: Final answer
    x = 269,006.81

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.