Home / 276,883.56-382,099.55-149,559.26

Finding the Fourth Proportional to 276,883.56, 382,099.55 and 149,559.26

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Solution

The fourth proportional to 276,883.56, 382,099.55 and 149,559.26 is: 206,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,883.56 : 382,099.55 = 149,559.26 : x
  2. Step 2: Convert to fraction form
    276,883.56/382,099.55 = 149,559.26/x
  3. Step 3: Cross multiply
    276,883.56x = 382,099.55 × 149,559.26
  4. Step 4: Simplify right side
    276,883.56x = 57,146,523,286.04
  5. Step 5: Solve for x
    x = 57,146,523,286.04/276,883.56
  6. Step 6: Final answer
    x = 206,391.90

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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.