Home / 276,806.29-379,501.38-271,761.76

Finding the Fourth Proportional to 276,806.29, 379,501.38 and 271,761.76

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Solution

The fourth proportional to 276,806.29, 379,501.38 and 271,761.76 is: 372,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,806.29 : 379,501.38 = 271,761.76 : x
  2. Step 2: Convert to fraction form
    276,806.29/379,501.38 = 271,761.76/x
  3. Step 3: Cross multiply
    276,806.29x = 379,501.38 × 271,761.76
  4. Step 4: Simplify right side
    276,806.29x = 103,133,961,593.93
  5. Step 5: Solve for x
    x = 103,133,961,593.93/276,806.29
  6. Step 6: Final answer
    x = 372,585.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.