Home / 231,844.40-347,680.20-82,026.80

Finding the Fourth Proportional to 231,844.40, 347,680.20 and 82,026.80

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Solution

The fourth proportional to 231,844.40, 347,680.20 and 82,026.80 is: 123,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,844.40 : 347,680.20 = 82,026.80 : x
  2. Step 2: Convert to fraction form
    231,844.40/347,680.20 = 82,026.80/x
  3. Step 3: Cross multiply
    231,844.40x = 347,680.20 × 82,026.80
  4. Step 4: Simplify right side
    231,844.40x = 28,519,094,229.36
  5. Step 5: Solve for x
    x = 28,519,094,229.36/231,844.40
  6. Step 6: Final answer
    x = 123,009.63

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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.