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Finding the Fourth Proportional to 350,851.26, 484,174.43 and 189,705.97

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Solution

The fourth proportional to 350,851.26, 484,174.43 and 189,705.97 is: 261,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,851.26 : 484,174.43 = 189,705.97 : x
  2. Step 2: Convert to fraction form
    350,851.26/484,174.43 = 189,705.97/x
  3. Step 3: Cross multiply
    350,851.26x = 484,174.43 × 189,705.97
  4. Step 4: Simplify right side
    350,851.26x = 91,850,777,733.38
  5. Step 5: Solve for x
    x = 91,850,777,733.38/350,851.26
  6. Step 6: Final answer
    x = 261,794.07

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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.