Home / 274,001.85-378,110.66-149,820.55

Finding the Fourth Proportional to 274,001.85, 378,110.66 and 149,820.55

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Solution

The fourth proportional to 274,001.85, 378,110.66 and 149,820.55 is: 206,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,001.85 : 378,110.66 = 149,820.55 : x
  2. Step 2: Convert to fraction form
    274,001.85/378,110.66 = 149,820.55/x
  3. Step 3: Cross multiply
    274,001.85x = 378,110.66 × 149,820.55
  4. Step 4: Simplify right side
    274,001.85x = 56,648,745,347.68
  5. Step 5: Solve for x
    x = 56,648,745,347.68/274,001.85
  6. Step 6: Final answer
    x = 206,745.85

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1.5x scale

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.