Home / 269,836.12-372,374.37-148,977.64

Finding the Fourth Proportional to 269,836.12, 372,374.37 and 148,977.64

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Solution

The fourth proportional to 269,836.12, 372,374.37 and 148,977.64 is: 205,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,836.12 : 372,374.37 = 148,977.64 : x
  2. Step 2: Convert to fraction form
    269,836.12/372,374.37 = 148,977.64/x
  3. Step 3: Cross multiply
    269,836.12x = 372,374.37 × 148,977.64
  4. Step 4: Simplify right side
    269,836.12x = 55,475,454,839.09
  5. Step 5: Solve for x
    x = 55,475,454,839.09/269,836.12
  6. Step 6: Final answer
    x = 205,589.43

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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.