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Finding the Fourth Proportional to 447,522.99, 671,286.29 and 181,288.54

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Solution

The fourth proportional to 447,522.99, 671,286.29 and 181,288.54 is: 271,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,522.99 : 671,286.29 = 181,288.54 : x
  2. Step 2: Convert to fraction form
    447,522.99/671,286.29 = 181,288.54/x
  3. Step 3: Cross multiply
    447,522.99x = 671,286.29 × 181,288.54
  4. Step 4: Simplify right side
    447,522.99x = 121,696,511,436.12
  5. Step 5: Solve for x
    x = 121,696,511,436.12/447,522.99
  6. Step 6: Final answer
    x = 271,933.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.