Home / 279,568.02-419,292.49-79,835.38

Finding the Fourth Proportional to 279,568.02, 419,292.49 and 79,835.38

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Solution

The fourth proportional to 279,568.02, 419,292.49 and 79,835.38 is: 119,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,568.02 : 419,292.49 = 79,835.38 : x
  2. Step 2: Convert to fraction form
    279,568.02/419,292.49 = 79,835.38/x
  3. Step 3: Cross multiply
    279,568.02x = 419,292.49 × 79,835.38
  4. Step 4: Simplify right side
    279,568.02x = 33,474,375,270.30
  5. Step 5: Solve for x
    x = 33,474,375,270.30/279,568.02
  6. Step 6: Final answer
    x = 119,736.07

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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.