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Finding the Fourth Proportional to 271,487.80, 408,009.30 and 237,273.40

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Solution

The fourth proportional to 271,487.80, 408,009.30 and 237,273.40 is: 356,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,487.80 : 408,009.30 = 237,273.40 : x
  2. Step 2: Convert to fraction form
    271,487.80/408,009.30 = 237,273.40/x
  3. Step 3: Cross multiply
    271,487.80x = 408,009.30 × 237,273.40
  4. Step 4: Simplify right side
    271,487.80x = 96,809,753,842.62
  5. Step 5: Solve for x
    x = 96,809,753,842.62/271,487.80
  6. Step 6: Final answer
    x = 356,589.70

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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.