Home / 285,935.52-394,549.20-165,057.60

Finding the Fourth Proportional to 285,935.52, 394,549.20 and 165,057.60

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Solution

The fourth proportional to 285,935.52, 394,549.20 and 165,057.60 is: 227,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,935.52 : 394,549.20 = 165,057.60 : x
  2. Step 2: Convert to fraction form
    285,935.52/394,549.20 = 165,057.60/x
  3. Step 3: Cross multiply
    285,935.52x = 394,549.20 × 165,057.60
  4. Step 4: Simplify right side
    285,935.52x = 65,123,344,033.92
  5. Step 5: Solve for x
    x = 65,123,344,033.92/285,935.52
  6. Step 6: Final answer
    x = 227,755.35

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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.