Home / 853,283.86-1,279,999.29-222,198.82

Finding the Fourth Proportional to 853,283.86, 1,279,999.29 and 222,198.82

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Solution

The fourth proportional to 853,283.86, 1,279,999.29 and 222,198.82 is: 333,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,283.86 : 1,279,999.29 = 222,198.82 : x
  2. Step 2: Convert to fraction form
    853,283.86/1,279,999.29 = 222,198.82/x
  3. Step 3: Cross multiply
    853,283.86x = 1,279,999.29 × 222,198.82
  4. Step 4: Simplify right side
    853,283.86x = 284,414,331,838.84
  5. Step 5: Solve for x
    x = 284,414,331,838.84/853,283.86
  6. Step 6: Final answer
    x = 333,317.37

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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.