Home / 270,191.85-372,884.06-149,330.54

Finding the Fourth Proportional to 270,191.85, 372,884.06 and 149,330.54

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Solution

The fourth proportional to 270,191.85, 372,884.06 and 149,330.54 is: 206,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,191.85 : 372,884.06 = 149,330.54 : x
  2. Step 2: Convert to fraction form
    270,191.85/372,884.06 = 149,330.54/x
  3. Step 3: Cross multiply
    270,191.85x = 372,884.06 × 149,330.54
  4. Step 4: Simplify right side
    270,191.85x = 55,682,976,758.94
  5. Step 5: Solve for x
    x = 55,682,976,758.94/270,191.85
  6. Step 6: Final answer
    x = 206,086.81

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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.