Home / 850.48-1,275.72-273.36

Finding the Fourth Proportional to 850.48, 1,275.72 and 273.36

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Solution

The fourth proportional to 850.48, 1,275.72 and 273.36 is: 410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.48 : 1,275.72 = 273.36 : x
  2. Step 2: Convert to fraction form
    850.48/1,275.72 = 273.36/x
  3. Step 3: Cross multiply
    850.48x = 1,275.72 × 273.36
  4. Step 4: Simplify right side
    850.48x = 348,730.82
  5. Step 5: Solve for x
    x = 348,730.82/850.48
  6. Step 6: Final answer
    x = 410.04

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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.