Home / 279,569.02-419,293.99-79,836.38

Finding the Fourth Proportional to 279,569.02, 419,293.99 and 79,836.38

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Solution

The fourth proportional to 279,569.02, 419,293.99 and 79,836.38 is: 119,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,569.02 : 419,293.99 = 79,836.38 : x
  2. Step 2: Convert to fraction form
    279,569.02/419,293.99 = 79,836.38/x
  3. Step 3: Cross multiply
    279,569.02x = 419,293.99 × 79,836.38
  4. Step 4: Simplify right side
    279,569.02x = 33,474,914,317.36
  5. Step 5: Solve for x
    x = 33,474,914,317.36/279,569.02
  6. Step 6: Final answer
    x = 119,737.57

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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.