Home / 251,629.12-347,257.74-144,219.88

Finding the Fourth Proportional to 251,629.12, 347,257.74 and 144,219.88

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Solution

The fourth proportional to 251,629.12, 347,257.74 and 144,219.88 is: 199,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,629.12 : 347,257.74 = 144,219.88 : x
  2. Step 2: Convert to fraction form
    251,629.12/347,257.74 = 144,219.88/x
  3. Step 3: Cross multiply
    251,629.12x = 347,257.74 × 144,219.88
  4. Step 4: Simplify right side
    251,629.12x = 50,081,469,591.87
  5. Step 5: Solve for x
    x = 50,081,469,591.87/251,629.12
  6. Step 6: Final answer
    x = 199,028.91

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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.