Home / 285,680.04-394,234.56-158,352.96

Finding the Fourth Proportional to 285,680.04, 394,234.56 and 158,352.96

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Solution

The fourth proportional to 285,680.04, 394,234.56 and 158,352.96 is: 218,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,680.04 : 394,234.56 = 158,352.96 : x
  2. Step 2: Convert to fraction form
    285,680.04/394,234.56 = 158,352.96/x
  3. Step 3: Cross multiply
    285,680.04x = 394,234.56 × 158,352.96
  4. Step 4: Simplify right side
    285,680.04x = 62,428,209,510.30
  5. Step 5: Solve for x
    x = 62,428,209,510.30/285,680.04
  6. Step 6: Final answer
    x = 218,524.93

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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.