Home / 231,850.34-347,711.25-82,070.91

Finding the Fourth Proportional to 231,850.34, 347,711.25 and 82,070.91

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Solution

The fourth proportional to 231,850.34, 347,711.25 and 82,070.91 is: 123,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,850.34 : 347,711.25 = 82,070.91 : x
  2. Step 2: Convert to fraction form
    231,850.34/347,711.25 = 82,070.91/x
  3. Step 3: Cross multiply
    231,850.34x = 347,711.25 × 82,070.91
  4. Step 4: Simplify right side
    231,850.34x = 28,536,978,704.74
  5. Step 5: Solve for x
    x = 28,536,978,704.74/231,850.34
  6. Step 6: Final answer
    x = 123,083.62

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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.