Home / 394,585.48-544,397.25-222,481.81

Finding the Fourth Proportional to 394,585.48, 544,397.25 and 222,481.81

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Solution

The fourth proportional to 394,585.48, 544,397.25 and 222,481.81 is: 306,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,585.48 : 544,397.25 = 222,481.81 : x
  2. Step 2: Convert to fraction form
    394,585.48/544,397.25 = 222,481.81/x
  3. Step 3: Cross multiply
    394,585.48x = 544,397.25 × 222,481.81
  4. Step 4: Simplify right side
    394,585.48x = 121,118,485,539.02
  5. Step 5: Solve for x
    x = 121,118,485,539.02/394,585.48
  6. Step 6: Final answer
    x = 306,951.20

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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.