Home / 218,279.07-327,056.40-76,049.28

Finding the Fourth Proportional to 218,279.07, 327,056.40 and 76,049.28

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Solution

The fourth proportional to 218,279.07, 327,056.40 and 76,049.28 is: 113,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,279.07 : 327,056.40 = 76,049.28 : x
  2. Step 2: Convert to fraction form
    218,279.07/327,056.40 = 76,049.28/x
  3. Step 3: Cross multiply
    218,279.07x = 327,056.40 × 76,049.28
  4. Step 4: Simplify right side
    218,279.07x = 24,872,403,739.39
  5. Step 5: Solve for x
    x = 24,872,403,739.39/218,279.07
  6. Step 6: Final answer
    x = 113,947.73

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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.