Home / 276,900.38-382,122.72-149,575.96

Finding the Fourth Proportional to 276,900.38, 382,122.72 and 149,575.96

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Solution

The fourth proportional to 276,900.38, 382,122.72 and 149,575.96 is: 206,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,900.38 : 382,122.72 = 149,575.96 : x
  2. Step 2: Convert to fraction form
    276,900.38/382,122.72 = 149,575.96/x
  3. Step 3: Cross multiply
    276,900.38x = 382,122.72 × 149,575.96
  4. Step 4: Simplify right side
    276,900.38x = 57,156,372,681.81
  5. Step 5: Solve for x
    x = 57,156,372,681.81/276,900.38
  6. Step 6: Final answer
    x = 206,414.93

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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.