Home / 276,826.08-382,010.23-155,992.71

Finding the Fourth Proportional to 276,826.08, 382,010.23 and 155,992.71

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Solution

The fourth proportional to 276,826.08, 382,010.23 and 155,992.71 is: 215,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,826.08 : 382,010.23 = 155,992.71 : x
  2. Step 2: Convert to fraction form
    276,826.08/382,010.23 = 155,992.71/x
  3. Step 3: Cross multiply
    276,826.08x = 382,010.23 × 155,992.71
  4. Step 4: Simplify right side
    276,826.08x = 59,590,810,245.46
  5. Step 5: Solve for x
    x = 59,590,810,245.46/276,826.08
  6. Step 6: Final answer
    x = 215,264.44

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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.