Home / 268,042.56-403,990.51-231,049.12

Finding the Fourth Proportional to 268,042.56, 403,990.51 and 231,049.12

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Solution

The fourth proportional to 268,042.56, 403,990.51 and 231,049.12 is: 348,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,042.56 : 403,990.51 = 231,049.12 : x
  2. Step 2: Convert to fraction form
    268,042.56/403,990.51 = 231,049.12/x
  3. Step 3: Cross multiply
    268,042.56x = 403,990.51 × 231,049.12
  4. Step 4: Simplify right side
    268,042.56x = 93,341,651,823.85
  5. Step 5: Solve for x
    x = 93,341,651,823.85/268,042.56
  6. Step 6: Final answer
    x = 348,234.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.