Home / 281,005.48-419,505.17-271,161.64

Finding the Fourth Proportional to 281,005.48, 419,505.17 and 271,161.64

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Solution

The fourth proportional to 281,005.48, 419,505.17 and 271,161.64 is: 404,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,005.48 : 419,505.17 = 271,161.64 : x
  2. Step 2: Convert to fraction form
    281,005.48/419,505.17 = 271,161.64/x
  3. Step 3: Cross multiply
    281,005.48x = 419,505.17 × 271,161.64
  4. Step 4: Simplify right side
    281,005.48x = 113,753,709,885.68
  5. Step 5: Solve for x
    x = 113,753,709,885.68/281,005.48
  6. Step 6: Final answer
    x = 404,809.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.