Home / 486,843.54-671,839.26-271,982.94

Finding the Fourth Proportional to 486,843.54, 671,839.26 and 271,982.94

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Solution

The fourth proportional to 486,843.54, 671,839.26 and 271,982.94 is: 375,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,843.54 : 671,839.26 = 271,982.94 : x
  2. Step 2: Convert to fraction form
    486,843.54/671,839.26 = 271,982.94/x
  3. Step 3: Cross multiply
    486,843.54x = 671,839.26 × 271,982.94
  4. Step 4: Simplify right side
    486,843.54x = 182,728,817,142.22
  5. Step 5: Solve for x
    x = 182,728,817,142.22/486,843.54
  6. Step 6: Final answer
    x = 375,333.76

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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.