Home / 231,967.20-347,998.80-132,175.20

Finding the Fourth Proportional to 231,967.20, 347,998.80 and 132,175.20

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Solution

The fourth proportional to 231,967.20, 347,998.80 and 132,175.20 is: 198,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,967.20 : 347,998.80 = 132,175.20 : x
  2. Step 2: Convert to fraction form
    231,967.20/347,998.80 = 132,175.20/x
  3. Step 3: Cross multiply
    231,967.20x = 347,998.80 × 132,175.20
  4. Step 4: Simplify right side
    231,967.20x = 45,996,810,989.76
  5. Step 5: Solve for x
    x = 45,996,810,989.76/231,967.20
  6. Step 6: Final answer
    x = 198,290.15

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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.