Home / 394,120.77-591,304.68-141,228.24

Finding the Fourth Proportional to 394,120.77, 591,304.68 and 141,228.24

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Solution

The fourth proportional to 394,120.77, 591,304.68 and 141,228.24 is: 211,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,120.77 : 591,304.68 = 141,228.24 : x
  2. Step 2: Convert to fraction form
    394,120.77/591,304.68 = 141,228.24/x
  3. Step 3: Cross multiply
    394,120.77x = 591,304.68 × 141,228.24
  4. Step 4: Simplify right side
    394,120.77x = 83,508,919,260.16
  5. Step 5: Solve for x
    x = 83,508,919,260.16/394,120.77
  6. Step 6: Final answer
    x = 211,886.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.