Home / 853,282.86-1,279,997.79-222,197.82

Finding the Fourth Proportional to 853,282.86, 1,279,997.79 and 222,197.82

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Solution

The fourth proportional to 853,282.86, 1,279,997.79 and 222,197.82 is: 333,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,282.86 : 1,279,997.79 = 222,197.82 : x
  2. Step 2: Convert to fraction form
    853,282.86/1,279,997.79 = 222,197.82/x
  3. Step 3: Cross multiply
    853,282.86x = 1,279,997.79 × 222,197.82
  4. Step 4: Simplify right side
    853,282.86x = 284,412,718,542.82
  5. Step 5: Solve for x
    x = 284,412,718,542.82/853,282.86
  6. Step 6: Final answer
    x = 333,315.87

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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.