Home / 394,364.07-591,287.28-141,517.71

Finding the Fourth Proportional to 394,364.07, 591,287.28 and 141,517.71

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Solution

The fourth proportional to 394,364.07, 591,287.28 and 141,517.71 is: 212,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,364.07 : 591,287.28 = 141,517.71 : x
  2. Step 2: Convert to fraction form
    394,364.07/591,287.28 = 141,517.71/x
  3. Step 3: Cross multiply
    394,364.07x = 591,287.28 × 141,517.71
  4. Step 4: Simplify right side
    394,364.07x = 83,677,621,817.73
  5. Step 5: Solve for x
    x = 83,677,621,817.73/394,364.07
  6. Step 6: Final answer
    x = 212,183.69

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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.