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Finding the Fourth Proportional to 377,569.20, 566,791.20 and 227,978.40

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Solution

The fourth proportional to 377,569.20, 566,791.20 and 227,978.40 is: 342,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,569.20 : 566,791.20 = 227,978.40 : x
  2. Step 2: Convert to fraction form
    377,569.20/566,791.20 = 227,978.40/x
  3. Step 3: Cross multiply
    377,569.20x = 566,791.20 × 227,978.40
  4. Step 4: Simplify right side
    377,569.20x = 129,216,150,910.08
  5. Step 5: Solve for x
    x = 129,216,150,910.08/377,569.20
  6. Step 6: Final answer
    x = 342,231.70

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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.