Home / 394,128.76-591,225.72-169,494.52

Finding the Fourth Proportional to 394,128.76, 591,225.72 and 169,494.52

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Solution

The fourth proportional to 394,128.76, 591,225.72 and 169,494.52 is: 254,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,128.76 : 591,225.72 = 169,494.52 : x
  2. Step 2: Convert to fraction form
    394,128.76/591,225.72 = 169,494.52/x
  3. Step 3: Cross multiply
    394,128.76x = 591,225.72 × 169,494.52
  4. Step 4: Simplify right side
    394,128.76x = 100,209,519,623.05
  5. Step 5: Solve for x
    x = 100,209,519,623.05/394,128.76
  6. Step 6: Final answer
    x = 254,255.79

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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.