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Finding the Fourth Proportional to 394,745.13, 592,179.80 and 170,169.39

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Solution

The fourth proportional to 394,745.13, 592,179.80 and 170,169.39 is: 255,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,745.13 : 592,179.80 = 170,169.39 : x
  2. Step 2: Convert to fraction form
    394,745.13/592,179.80 = 170,169.39/x
  3. Step 3: Cross multiply
    394,745.13x = 592,179.80 × 170,169.39
  4. Step 4: Simplify right side
    394,745.13x = 100,770,874,485.48
  5. Step 5: Solve for x
    x = 100,770,874,485.48/394,745.13
  6. Step 6: Final answer
    x = 255,280.86

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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.