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Finding the Fourth Proportional to 322,504.03, 445,060.88 and 177,315.94

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Solution

The fourth proportional to 322,504.03, 445,060.88 and 177,315.94 is: 244,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,504.03 : 445,060.88 = 177,315.94 : x
  2. Step 2: Convert to fraction form
    322,504.03/445,060.88 = 177,315.94/x
  3. Step 3: Cross multiply
    322,504.03x = 445,060.88 × 177,315.94
  4. Step 4: Simplify right side
    322,504.03x = 78,916,388,294.43
  5. Step 5: Solve for x
    x = 78,916,388,294.43/322,504.03
  6. Step 6: Final answer
    x = 244,698.92

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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.