Home / 258,481.14-356,680.44-149,566.65

Finding the Fourth Proportional to 258,481.14, 356,680.44 and 149,566.65

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Solution

The fourth proportional to 258,481.14, 356,680.44 and 149,566.65 is: 206,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,481.14 : 356,680.44 = 149,566.65 : x
  2. Step 2: Convert to fraction form
    258,481.14/356,680.44 = 149,566.65/x
  3. Step 3: Cross multiply
    258,481.14x = 356,680.44 × 149,566.65
  4. Step 4: Simplify right side
    258,481.14x = 53,347,498,531.33
  5. Step 5: Solve for x
    x = 53,347,498,531.33/258,481.14
  6. Step 6: Final answer
    x = 206,388.36

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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.