Home / 394,583.10-544,578-222,536.43

Finding the Fourth Proportional to 394,583.10, 544,578 and 222,536.43

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Solution

The fourth proportional to 394,583.10, 544,578 and 222,536.43 is: 307,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,583.10 : 544,578 = 222,536.43 : x
  2. Step 2: Convert to fraction form
    394,583.10/544,578 = 222,536.43/x
  3. Step 3: Cross multiply
    394,583.10x = 544,578 × 222,536.43
  4. Step 4: Simplify right side
    394,583.10x = 121,188,443,976.54
  5. Step 5: Solve for x
    x = 121,188,443,976.54/394,583.10
  6. Step 6: Final answer
    x = 307,130.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.