Home / 251,480.68-376,986.66-172,632.04

Finding the Fourth Proportional to 251,480.68, 376,986.66 and 172,632.04

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Solution

The fourth proportional to 251,480.68, 376,986.66 and 172,632.04 is: 258,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,480.68 : 376,986.66 = 172,632.04 : x
  2. Step 2: Convert to fraction form
    251,480.68/376,986.66 = 172,632.04/x
  3. Step 3: Cross multiply
    251,480.68x = 376,986.66 × 172,632.04
  4. Step 4: Simplify right side
    251,480.68x = 65,079,976,168.59
  5. Step 5: Solve for x
    x = 65,079,976,168.59/251,480.68
  6. Step 6: Final answer
    x = 258,787.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.