Home / 285,849.29-394,458.50-158,522.15

Finding the Fourth Proportional to 285,849.29, 394,458.50 and 158,522.15

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Solution

The fourth proportional to 285,849.29, 394,458.50 and 158,522.15 is: 218,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,849.29 : 394,458.50 = 158,522.15 : x
  2. Step 2: Convert to fraction form
    285,849.29/394,458.50 = 158,522.15/x
  3. Step 3: Cross multiply
    285,849.29x = 394,458.50 × 158,522.15
  4. Step 4: Simplify right side
    285,849.29x = 62,530,406,740.87
  5. Step 5: Solve for x
    x = 62,530,406,740.87/285,849.29
  6. Step 6: Final answer
    x = 218,753.06

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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.