Home / 231,845.90-347,682.45-82,028.30

Finding the Fourth Proportional to 231,845.90, 347,682.45 and 82,028.30

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Solution

The fourth proportional to 231,845.90, 347,682.45 and 82,028.30 is: 123,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,845.90 : 347,682.45 = 82,028.30 : x
  2. Step 2: Convert to fraction form
    231,845.90/347,682.45 = 82,028.30/x
  3. Step 3: Cross multiply
    231,845.90x = 347,682.45 × 82,028.30
  4. Step 4: Simplify right side
    231,845.90x = 28,519,800,313.34
  5. Step 5: Solve for x
    x = 28,519,800,313.34/231,845.90
  6. Step 6: Final answer
    x = 123,011.88

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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.