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Finding the Fourth Proportional to 298,754.73, 412,276.23 and 162,789.62

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Solution

The fourth proportional to 298,754.73, 412,276.23 and 162,789.62 is: 224,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,754.73 : 412,276.23 = 162,789.62 : x
  2. Step 2: Convert to fraction form
    298,754.73/412,276.23 = 162,789.62/x
  3. Step 3: Cross multiply
    298,754.73x = 412,276.23 × 162,789.62
  4. Step 4: Simplify right side
    298,754.73x = 67,114,288,755.35
  5. Step 5: Solve for x
    x = 67,114,288,755.35/298,754.73
  6. Step 6: Final answer
    x = 224,646.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.