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Finding the Fourth Proportional to 339,121.76, 467,998.32 and 188,228.96

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Solution

The fourth proportional to 339,121.76, 467,998.32 and 188,228.96 is: 259,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,121.76 : 467,998.32 = 188,228.96 : x
  2. Step 2: Convert to fraction form
    339,121.76/467,998.32 = 188,228.96/x
  3. Step 3: Cross multiply
    339,121.76x = 467,998.32 × 188,228.96
  4. Step 4: Simplify right side
    339,121.76x = 88,090,837,055.35
  5. Step 5: Solve for x
    x = 88,090,837,055.35/339,121.76
  6. Step 6: Final answer
    x = 259,761.68

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1.5x scale

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.