Home / 276,819.12-382,010.38-149,494.72

Finding the Fourth Proportional to 276,819.12, 382,010.38 and 149,494.72

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Solution

The fourth proportional to 276,819.12, 382,010.38 and 149,494.72 is: 206,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,819.12 : 382,010.38 = 149,494.72 : x
  2. Step 2: Convert to fraction form
    276,819.12/382,010.38 = 149,494.72/x
  3. Step 3: Cross multiply
    276,819.12x = 382,010.38 × 149,494.72
  4. Step 4: Simplify right side
    276,819.12x = 57,108,534,795.19
  5. Step 5: Solve for x
    x = 57,108,534,795.19/276,819.12
  6. Step 6: Final answer
    x = 206,302.71

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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.