Home / 279,568.52-419,293.23-79,835.88

Finding the Fourth Proportional to 279,568.52, 419,293.23 and 79,835.88

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Solution

The fourth proportional to 279,568.52, 419,293.23 and 79,835.88 is: 119,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,568.52 : 419,293.23 = 79,835.88 : x
  2. Step 2: Convert to fraction form
    279,568.52/419,293.23 = 79,835.88/x
  3. Step 3: Cross multiply
    279,568.52x = 419,293.23 × 79,835.88
  4. Step 4: Simplify right side
    279,568.52x = 33,474,643,995.09
  5. Step 5: Solve for x
    x = 33,474,643,995.09/279,568.52
  6. Step 6: Final answer
    x = 119,736.81

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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.