Home / 231,829.29-347,654.61-82,041.66

Finding the Fourth Proportional to 231,829.29, 347,654.61 and 82,041.66

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Solution

The fourth proportional to 231,829.29, 347,654.61 and 82,041.66 is: 123,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,829.29 : 347,654.61 = 82,041.66 : x
  2. Step 2: Convert to fraction form
    231,829.29/347,654.61 = 82,041.66/x
  3. Step 3: Cross multiply
    231,829.29x = 347,654.61 × 82,041.66
  4. Step 4: Simplify right side
    231,829.29x = 28,522,161,311.05
  5. Step 5: Solve for x
    x = 28,522,161,311.05/231,829.29
  6. Step 6: Final answer
    x = 123,030.88

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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.