Home / 270,141.12-372,793.32-149,290.80

Finding the Fourth Proportional to 270,141.12, 372,793.32 and 149,290.80

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Solution

The fourth proportional to 270,141.12, 372,793.32 and 149,290.80 is: 206,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,141.12 : 372,793.32 = 149,290.80 : x
  2. Step 2: Convert to fraction form
    270,141.12/372,793.32 = 149,290.80/x
  3. Step 3: Cross multiply
    270,141.12x = 372,793.32 × 149,290.80
  4. Step 4: Simplify right side
    270,141.12x = 55,654,612,977.46
  5. Step 5: Solve for x
    x = 55,654,612,977.46/270,141.12
  6. Step 6: Final answer
    x = 206,020.52

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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.