Home / 253,006.41-379,571.90-178,272.50

Finding the Fourth Proportional to 253,006.41, 379,571.90 and 178,272.50

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Solution

The fourth proportional to 253,006.41, 379,571.90 and 178,272.50 is: 267,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,006.41 : 379,571.90 = 178,272.50 : x
  2. Step 2: Convert to fraction form
    253,006.41/379,571.90 = 178,272.50/x
  3. Step 3: Cross multiply
    253,006.41x = 379,571.90 × 178,272.50
  4. Step 4: Simplify right side
    253,006.41x = 67,667,231,542.75
  5. Step 5: Solve for x
    x = 67,667,231,542.75/253,006.41
  6. Step 6: Final answer
    x = 267,452.64

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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.