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Finding the Fourth Proportional to 300,796.70, 451,178.43 and 101,096.48

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Solution

The fourth proportional to 300,796.70, 451,178.43 and 101,096.48 is: 151,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,796.70 : 451,178.43 = 101,096.48 : x
  2. Step 2: Convert to fraction form
    300,796.70/451,178.43 = 101,096.48/x
  3. Step 3: Cross multiply
    300,796.70x = 451,178.43 × 101,096.48
  4. Step 4: Simplify right side
    300,796.70x = 45,612,551,124.93
  5. Step 5: Solve for x
    x = 45,612,551,124.93/300,796.70
  6. Step 6: Final answer
    x = 151,639.13

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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.