Home / 853,228.89-1,279,843.34-222,143.31

Finding the Fourth Proportional to 853,228.89, 1,279,843.34 and 222,143.31

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Solution

The fourth proportional to 853,228.89, 1,279,843.34 and 222,143.31 is: 333,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,228.89 : 1,279,843.34 = 222,143.31 : x
  2. Step 2: Convert to fraction form
    853,228.89/1,279,843.34 = 222,143.31/x
  3. Step 3: Cross multiply
    853,228.89x = 1,279,843.34 × 222,143.31
  4. Step 4: Simplify right side
    853,228.89x = 284,308,634,718.34
  5. Step 5: Solve for x
    x = 284,308,634,718.34/853,228.89
  6. Step 6: Final answer
    x = 333,214.97

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Similar ratio
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1.5x scale

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.