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Finding the Fourth Proportional to 501,373.85, 691,892.76 and 271,936.59

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Solution

The fourth proportional to 501,373.85, 691,892.76 and 271,936.59 is: 375,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,373.85 : 691,892.76 = 271,936.59 : x
  2. Step 2: Convert to fraction form
    501,373.85/691,892.76 = 271,936.59/x
  3. Step 3: Cross multiply
    501,373.85x = 691,892.76 × 271,936.59
  4. Step 4: Simplify right side
    501,373.85x = 188,150,959,352.33
  5. Step 5: Solve for x
    x = 188,150,959,352.33/501,373.85
  6. Step 6: Final answer
    x = 375,270.79

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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.