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Finding the Fourth Proportional to 350,388.97, 482,968.86 and 273,774.43

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Solution

The fourth proportional to 350,388.97, 482,968.86 and 273,774.43 is: 377,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,388.97 : 482,968.86 = 273,774.43 : x
  2. Step 2: Convert to fraction form
    350,388.97/482,968.86 = 273,774.43/x
  3. Step 3: Cross multiply
    350,388.97x = 482,968.86 × 273,774.43
  4. Step 4: Simplify right side
    350,388.97x = 132,224,524,354.25
  5. Step 5: Solve for x
    x = 132,224,524,354.25/350,388.97
  6. Step 6: Final answer
    x = 377,364.97

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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.