Home / 285,549.20-394,060.22-158,226.92

Finding the Fourth Proportional to 285,549.20, 394,060.22 and 158,226.92

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Solution

The fourth proportional to 285,549.20, 394,060.22 and 158,226.92 is: 218,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,549.20 : 394,060.22 = 158,226.92 : x
  2. Step 2: Convert to fraction form
    285,549.20/394,060.22 = 158,226.92/x
  3. Step 3: Cross multiply
    285,549.20x = 394,060.22 × 158,226.92
  4. Step 4: Simplify right side
    285,549.20x = 62,350,934,905.12
  5. Step 5: Solve for x
    x = 62,350,934,905.12/285,549.20
  6. Step 6: Final answer
    x = 218,354.44

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1.5x scale

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.