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Finding the Fourth Proportional to 300,270.08, 449,687.46 and 166,819.34

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Solution

The fourth proportional to 300,270.08, 449,687.46 and 166,819.34 is: 249,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,270.08 : 449,687.46 = 166,819.34 : x
  2. Step 2: Convert to fraction form
    300,270.08/449,687.46 = 166,819.34/x
  3. Step 3: Cross multiply
    300,270.08x = 449,687.46 × 166,819.34
  4. Step 4: Simplify right side
    300,270.08x = 75,016,565,283.48
  5. Step 5: Solve for x
    x = 75,016,565,283.48/300,270.08
  6. Step 6: Final answer
    x = 249,830.30

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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.