Home / 394,008.05-591,063.15-180,724.52

Finding the Fourth Proportional to 394,008.05, 591,063.15 and 180,724.52

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Solution

The fourth proportional to 394,008.05, 591,063.15 and 180,724.52 is: 271,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,008.05 : 591,063.15 = 180,724.52 : x
  2. Step 2: Convert to fraction form
    394,008.05/591,063.15 = 180,724.52/x
  3. Step 3: Cross multiply
    394,008.05x = 591,063.15 × 180,724.52
  4. Step 4: Simplify right side
    394,008.05x = 106,819,604,073.44
  5. Step 5: Solve for x
    x = 106,819,604,073.44/394,008.05
  6. Step 6: Final answer
    x = 271,110.21

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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.