Home / 394,376.28-591,488.82-169,775.16

Finding the Fourth Proportional to 394,376.28, 591,488.82 and 169,775.16

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Solution

The fourth proportional to 394,376.28, 591,488.82 and 169,775.16 is: 254,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,376.28 : 591,488.82 = 169,775.16 : x
  2. Step 2: Convert to fraction form
    394,376.28/591,488.82 = 169,775.16/x
  3. Step 3: Cross multiply
    394,376.28x = 591,488.82 × 169,775.16
  4. Step 4: Simplify right side
    394,376.28x = 100,420,109,053.71
  5. Step 5: Solve for x
    x = 100,420,109,053.71/394,376.28
  6. Step 6: Final answer
    x = 254,630.19

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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.