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Finding the Fourth Proportional to 442,265.73, 663,743.06 and 308,273.72

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Solution

The fourth proportional to 442,265.73, 663,743.06 and 308,273.72 is: 462,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,265.73 : 663,743.06 = 308,273.72 : x
  2. Step 2: Convert to fraction form
    442,265.73/663,743.06 = 308,273.72/x
  3. Step 3: Cross multiply
    442,265.73x = 663,743.06 × 308,273.72
  4. Step 4: Simplify right side
    442,265.73x = 204,614,542,230.38
  5. Step 5: Solve for x
    x = 204,614,542,230.38/442,265.73
  6. Step 6: Final answer
    x = 462,650.68

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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.