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Finding the Fourth Proportional to 339,659.40, 468,782.46 and 244,481.16

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Solution

The fourth proportional to 339,659.40, 468,782.46 and 244,481.16 is: 337,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,659.40 : 468,782.46 = 244,481.16 : x
  2. Step 2: Convert to fraction form
    339,659.40/468,782.46 = 244,481.16/x
  3. Step 3: Cross multiply
    339,659.40x = 468,782.46 × 244,481.16
  4. Step 4: Simplify right side
    339,659.40x = 114,608,479,608.45
  5. Step 5: Solve for x
    x = 114,608,479,608.45/339,659.40
  6. Step 6: Final answer
    x = 337,421.78

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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.