Home / 850.26-1,275.46-273.14

Finding the Fourth Proportional to 850.26, 1,275.46 and 273.14

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Solution

The fourth proportional to 850.26, 1,275.46 and 273.14 is: 409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.26 : 1,275.46 = 273.14 : x
  2. Step 2: Convert to fraction form
    850.26/1,275.46 = 273.14/x
  3. Step 3: Cross multiply
    850.26x = 1,275.46 × 273.14
  4. Step 4: Simplify right side
    850.26x = 348,379.14
  5. Step 5: Solve for x
    x = 348,379.14/850.26
  6. Step 6: Final answer
    x = 409.73

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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.