Home / 270,932.43-406,648.13-137,907.75

Finding the Fourth Proportional to 270,932.43, 406,648.13 and 137,907.75

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Solution

The fourth proportional to 270,932.43, 406,648.13 and 137,907.75 is: 206,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,932.43 : 406,648.13 = 137,907.75 : x
  2. Step 2: Convert to fraction form
    270,932.43/406,648.13 = 137,907.75/x
  3. Step 3: Cross multiply
    270,932.43x = 406,648.13 × 137,907.75
  4. Step 4: Simplify right side
    270,932.43x = 56,079,927,960.47
  5. Step 5: Solve for x
    x = 56,079,927,960.47/270,932.43
  6. Step 6: Final answer
    x = 206,988.61

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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.