Home / 207,629.20-311,249.40-162,625.60

Finding the Fourth Proportional to 207,629.20, 311,249.40 and 162,625.60

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Solution

The fourth proportional to 207,629.20, 311,249.40 and 162,625.60 is: 243,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,629.20 : 311,249.40 = 162,625.60 : x
  2. Step 2: Convert to fraction form
    207,629.20/311,249.40 = 162,625.60/x
  3. Step 3: Cross multiply
    207,629.20x = 311,249.40 × 162,625.60
  4. Step 4: Simplify right side
    207,629.20x = 50,617,120,424.64
  5. Step 5: Solve for x
    x = 50,617,120,424.64/207,629.20
  6. Step 6: Final answer
    x = 243,786.14

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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.