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Finding the Fourth Proportional to 279,604.08, 419,015.17 and 151,243.27

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Solution

The fourth proportional to 279,604.08, 419,015.17 and 151,243.27 is: 226,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,604.08 : 419,015.17 = 151,243.27 : x
  2. Step 2: Convert to fraction form
    279,604.08/419,015.17 = 151,243.27/x
  3. Step 3: Cross multiply
    279,604.08x = 419,015.17 × 151,243.27
  4. Step 4: Simplify right side
    279,604.08x = 63,373,224,490.41
  5. Step 5: Solve for x
    x = 63,373,224,490.41/279,604.08
  6. Step 6: Final answer
    x = 226,653.43

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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.