Home / 276,930.11-382,163.94-149,605.74

Finding the Fourth Proportional to 276,930.11, 382,163.94 and 149,605.74

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Solution

The fourth proportional to 276,930.11, 382,163.94 and 149,605.74 is: 206,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,930.11 : 382,163.94 = 149,605.74 : x
  2. Step 2: Convert to fraction form
    276,930.11/382,163.94 = 149,605.74/x
  3. Step 3: Cross multiply
    276,930.11x = 382,163.94 × 149,605.74
  4. Step 4: Simplify right side
    276,930.11x = 57,173,919,045.02
  5. Step 5: Solve for x
    x = 57,173,919,045.02/276,930.11
  6. Step 6: Final answer
    x = 206,456.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.