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Finding the Fourth Proportional to 397,637.82, 548,735.93 and 236,489.33

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Solution

The fourth proportional to 397,637.82, 548,735.93 and 236,489.33 is: 326,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,637.82 : 548,735.93 = 236,489.33 : x
  2. Step 2: Convert to fraction form
    397,637.82/548,735.93 = 236,489.33/x
  3. Step 3: Cross multiply
    397,637.82x = 548,735.93 × 236,489.33
  4. Step 4: Simplify right side
    397,637.82x = 129,770,188,506.50
  5. Step 5: Solve for x
    x = 129,770,188,506.50/397,637.82
  6. Step 6: Final answer
    x = 326,352.73

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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.