Home / 251,486.20-347,021.87-144,049.83

Finding the Fourth Proportional to 251,486.20, 347,021.87 and 144,049.83

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Solution

The fourth proportional to 251,486.20, 347,021.87 and 144,049.83 is: 198,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,486.20 : 347,021.87 = 144,049.83 : x
  2. Step 2: Convert to fraction form
    251,486.20/347,021.87 = 144,049.83/x
  3. Step 3: Cross multiply
    251,486.20x = 347,021.87 × 144,049.83
  4. Step 4: Simplify right side
    251,486.20x = 49,988,440,168.48
  5. Step 5: Solve for x
    x = 49,988,440,168.48/251,486.20
  6. Step 6: Final answer
    x = 198,772.10

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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.