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Finding the Fourth Proportional to 297,229.78, 445,582.23 and 227,420.74

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Solution

The fourth proportional to 297,229.78, 445,582.23 and 227,420.74 is: 340,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,229.78 : 445,582.23 = 227,420.74 : x
  2. Step 2: Convert to fraction form
    297,229.78/445,582.23 = 227,420.74/x
  3. Step 3: Cross multiply
    297,229.78x = 445,582.23 × 227,420.74
  4. Step 4: Simplify right side
    297,229.78x = 101,334,639,248.21
  5. Step 5: Solve for x
    x = 101,334,639,248.21/297,229.78
  6. Step 6: Final answer
    x = 340,930.31

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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.