Home / 702,198.75-1,053,456.21-222,455.46

Finding the Fourth Proportional to 702,198.75, 1,053,456.21 and 222,455.46

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Solution

The fourth proportional to 702,198.75, 1,053,456.21 and 222,455.46 is: 333,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,198.75 : 1,053,456.21 = 222,455.46 : x
  2. Step 2: Convert to fraction form
    702,198.75/1,053,456.21 = 222,455.46/x
  3. Step 3: Cross multiply
    702,198.75x = 1,053,456.21 × 222,455.46
  4. Step 4: Simplify right side
    702,198.75x = 234,347,085,785.41
  5. Step 5: Solve for x
    x = 234,347,085,785.41/702,198.75
  6. Step 6: Final answer
    x = 333,733.27

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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.