Home / 285,829.80-394,446.18-158,517.16

Finding the Fourth Proportional to 285,829.80, 394,446.18 and 158,517.16

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Solution

The fourth proportional to 285,829.80, 394,446.18 and 158,517.16 is: 218,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,829.80 : 394,446.18 = 158,517.16 : x
  2. Step 2: Convert to fraction form
    285,829.80/394,446.18 = 158,517.16/x
  3. Step 3: Cross multiply
    285,829.80x = 394,446.18 × 158,517.16
  4. Step 4: Simplify right side
    285,829.80x = 62,526,488,226.45
  5. Step 5: Solve for x
    x = 62,526,488,226.45/285,829.80
  6. Step 6: Final answer
    x = 218,754.27

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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.