Home / 394,749.60-544,742.19-222,665.05

Finding the Fourth Proportional to 394,749.60, 544,742.19 and 222,665.05

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Solution

The fourth proportional to 394,749.60, 544,742.19 and 222,665.05 is: 307,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,749.60 : 544,742.19 = 222,665.05 : x
  2. Step 2: Convert to fraction form
    394,749.60/544,742.19 = 222,665.05/x
  3. Step 3: Cross multiply
    394,749.60x = 544,742.19 × 222,665.05
  4. Step 4: Simplify right side
    394,749.60x = 121,295,046,973.46
  5. Step 5: Solve for x
    x = 121,295,046,973.46/394,749.60
  6. Step 6: Final answer
    x = 307,270.85

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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.