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Finding the Fourth Proportional to 279,694.44, 419,553.18 and 146,500.20

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Solution

The fourth proportional to 279,694.44, 419,553.18 and 146,500.20 is: 219,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,694.44 : 419,553.18 = 146,500.20 : x
  2. Step 2: Convert to fraction form
    279,694.44/419,553.18 = 146,500.20/x
  3. Step 3: Cross multiply
    279,694.44x = 419,553.18 × 146,500.20
  4. Step 4: Simplify right side
    279,694.44x = 61,464,624,780.64
  5. Step 5: Solve for x
    x = 61,464,624,780.64/279,694.44
  6. Step 6: Final answer
    x = 219,756.33

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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.