Home / 259,789.42-358,470.96-157,761.82

Finding the Fourth Proportional to 259,789.42, 358,470.96 and 157,761.82

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Solution

The fourth proportional to 259,789.42, 358,470.96 and 157,761.82 is: 217,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,789.42 : 358,470.96 = 157,761.82 : x
  2. Step 2: Convert to fraction form
    259,789.42/358,470.96 = 157,761.82/x
  3. Step 3: Cross multiply
    259,789.42x = 358,470.96 × 157,761.82
  4. Step 4: Simplify right side
    259,789.42x = 56,553,031,066.75
  5. Step 5: Solve for x
    x = 56,553,031,066.75/259,789.42
  6. Step 6: Final answer
    x = 217,687.97

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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.