Home / 272,464.28-408,755.22-82,939.46

Finding the Fourth Proportional to 272,464.28, 408,755.22 and 82,939.46

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Solution

The fourth proportional to 272,464.28, 408,755.22 and 82,939.46 is: 124,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,464.28 : 408,755.22 = 82,939.46 : x
  2. Step 2: Convert to fraction form
    272,464.28/408,755.22 = 82,939.46/x
  3. Step 3: Cross multiply
    272,464.28x = 408,755.22 × 82,939.46
  4. Step 4: Simplify right side
    272,464.28x = 33,901,937,218.98
  5. Step 5: Solve for x
    x = 33,901,937,218.98/272,464.28
  6. Step 6: Final answer
    x = 124,427.09

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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.