Home / 218,422.96-327,634.20-68,676.34

Finding the Fourth Proportional to 218,422.96, 327,634.20 and 68,676.34

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Solution

The fourth proportional to 218,422.96, 327,634.20 and 68,676.34 is: 103,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422.96 : 327,634.20 = 68,676.34 : x
  2. Step 2: Convert to fraction form
    218,422.96/327,634.20 = 68,676.34/x
  3. Step 3: Cross multiply
    218,422.96x = 327,634.20 × 68,676.34
  4. Step 4: Simplify right side
    218,422.96x = 22,500,717,714.83
  5. Step 5: Solve for x
    x = 22,500,717,714.83/218,422.96
  6. Step 6: Final answer
    x = 103,014.43

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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.