Home / 274,002.85-378,112.03-149,821.55

Finding the Fourth Proportional to 274,002.85, 378,112.03 and 149,821.55

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Solution

The fourth proportional to 274,002.85, 378,112.03 and 149,821.55 is: 206,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,002.85 : 378,112.03 = 149,821.55 : x
  2. Step 2: Convert to fraction form
    274,002.85/378,112.03 = 149,821.55/x
  3. Step 3: Cross multiply
    274,002.85x = 378,112.03 × 149,821.55
  4. Step 4: Simplify right side
    274,002.85x = 56,649,330,408.25
  5. Step 5: Solve for x
    x = 56,649,330,408.25/274,002.85
  6. Step 6: Final answer
    x = 206,747.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.