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Finding the Fourth Proportional to 285,550.20, 394,062 and 158,228.52

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Solution

The fourth proportional to 285,550.20, 394,062 and 158,228.52 is: 218,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,550.20 : 394,062 = 158,228.52 : x
  2. Step 2: Convert to fraction form
    285,550.20/394,062 = 158,228.52/x
  3. Step 3: Cross multiply
    285,550.20x = 394,062 × 158,228.52
  4. Step 4: Simplify right side
    285,550.20x = 62,351,847,048.24
  5. Step 5: Solve for x
    x = 62,351,847,048.24/285,550.20
  6. Step 6: Final answer
    x = 218,356.87

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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.