Home / 251,865.09-377,797.20-172,739.43

Finding the Fourth Proportional to 251,865.09, 377,797.20 and 172,739.43

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Solution

The fourth proportional to 251,865.09, 377,797.20 and 172,739.43 is: 259,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,865.09 : 377,797.20 = 172,739.43 : x
  2. Step 2: Convert to fraction form
    251,865.09/377,797.20 = 172,739.43/x
  3. Step 3: Cross multiply
    251,865.09x = 377,797.20 × 172,739.43
  4. Step 4: Simplify right side
    251,865.09x = 65,260,472,983.60
  5. Step 5: Solve for x
    x = 65,260,472,983.60/251,865.09
  6. Step 6: Final answer
    x = 259,108.85

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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.