Home / 276,888.22-382,105.76-149,563.81

Finding the Fourth Proportional to 276,888.22, 382,105.76 and 149,563.81

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Solution

The fourth proportional to 276,888.22, 382,105.76 and 149,563.81 is: 206,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,888.22 : 382,105.76 = 149,563.81 : x
  2. Step 2: Convert to fraction form
    276,888.22/382,105.76 = 149,563.81/x
  3. Step 3: Cross multiply
    276,888.22x = 382,105.76 × 149,563.81
  4. Step 4: Simplify right side
    276,888.22x = 57,149,193,288.55
  5. Step 5: Solve for x
    x = 57,149,193,288.55/276,888.22
  6. Step 6: Final answer
    x = 206,398.07

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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.