Home / 303,827.12-419,399.54-271,940.66

Finding the Fourth Proportional to 303,827.12, 419,399.54 and 271,940.66

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Solution

The fourth proportional to 303,827.12, 419,399.54 and 271,940.66 is: 375,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,827.12 : 419,399.54 = 271,940.66 : x
  2. Step 2: Convert to fraction form
    303,827.12/419,399.54 = 271,940.66/x
  3. Step 3: Cross multiply
    303,827.12x = 419,399.54 × 271,940.66
  4. Step 4: Simplify right side
    303,827.12x = 114,051,786,847.12
  5. Step 5: Solve for x
    x = 114,051,786,847.12/303,827.12
  6. Step 6: Final answer
    x = 375,383.83

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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.