Home / 231,821.28-347,731.92-126,582.84

Finding the Fourth Proportional to 231,821.28, 347,731.92 and 126,582.84

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Solution

The fourth proportional to 231,821.28, 347,731.92 and 126,582.84 is: 189,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,821.28 : 347,731.92 = 126,582.84 : x
  2. Step 2: Convert to fraction form
    231,821.28/347,731.92 = 126,582.84/x
  3. Step 3: Cross multiply
    231,821.28x = 347,731.92 × 126,582.84
  4. Step 4: Simplify right side
    231,821.28x = 44,016,893,992.25
  5. Step 5: Solve for x
    x = 44,016,893,992.25/231,821.28
  6. Step 6: Final answer
    x = 189,874.26

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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.