Home / 285,581.92-394,093.04-158,269.36

Finding the Fourth Proportional to 285,581.92, 394,093.04 and 158,269.36

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Solution

The fourth proportional to 285,581.92, 394,093.04 and 158,269.36 is: 218,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,581.92 : 394,093.04 = 158,269.36 : x
  2. Step 2: Convert to fraction form
    285,581.92/394,093.04 = 158,269.36/x
  3. Step 3: Cross multiply
    285,581.92x = 394,093.04 × 158,269.36
  4. Step 4: Simplify right side
    285,581.92x = 62,372,853,221.25
  5. Step 5: Solve for x
    x = 62,372,853,221.25/285,581.92
  6. Step 6: Final answer
    x = 218,406.17

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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.