Home / 276,826.33-382,010.57-155,992.96

Finding the Fourth Proportional to 276,826.33, 382,010.57 and 155,992.96

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Solution

The fourth proportional to 276,826.33, 382,010.57 and 155,992.96 is: 215,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,826.33 : 382,010.57 = 155,992.96 : x
  2. Step 2: Convert to fraction form
    276,826.33/382,010.57 = 155,992.96/x
  3. Step 3: Cross multiply
    276,826.33x = 382,010.57 × 155,992.96
  4. Step 4: Simplify right side
    276,826.33x = 59,590,959,000.54
  5. Step 5: Solve for x
    x = 59,590,959,000.54/276,826.33
  6. Step 6: Final answer
    x = 215,264.78

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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.