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Finding the Fourth Proportional to 546,099.45, 819,017.96 and 279,722.85

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Solution

The fourth proportional to 546,099.45, 819,017.96 and 279,722.85 is: 419,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,099.45 : 819,017.96 = 279,722.85 : x
  2. Step 2: Convert to fraction form
    546,099.45/819,017.96 = 279,722.85/x
  3. Step 3: Cross multiply
    546,099.45x = 819,017.96 × 279,722.85
  4. Step 4: Simplify right side
    546,099.45x = 229,098,036,573.77
  5. Step 5: Solve for x
    x = 229,098,036,573.77/546,099.45
  6. Step 6: Final answer
    x = 419,517.06

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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.