Home / 276,899.38-382,121.34-149,574.96

Finding the Fourth Proportional to 276,899.38, 382,121.34 and 149,574.96

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Solution

The fourth proportional to 276,899.38, 382,121.34 and 149,574.96 is: 206,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,899.38 : 382,121.34 = 149,574.96 : x
  2. Step 2: Convert to fraction form
    276,899.38/382,121.34 = 149,574.96/x
  3. Step 3: Cross multiply
    276,899.38x = 382,121.34 × 149,574.96
  4. Step 4: Simplify right side
    276,899.38x = 57,155,784,145.65
  5. Step 5: Solve for x
    x = 57,155,784,145.65/276,899.38
  6. Step 6: Final answer
    x = 206,413.55

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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.