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Finding the Fourth Proportional to 322,555.57, 445,141.88 and 179,318

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Solution

The fourth proportional to 322,555.57, 445,141.88 and 179,318 is: 247,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,555.57 : 445,141.88 = 179,318 : x
  2. Step 2: Convert to fraction form
    322,555.57/445,141.88 = 179,318/x
  3. Step 3: Cross multiply
    322,555.57x = 445,141.88 × 179,318
  4. Step 4: Simplify right side
    322,555.57x = 79,821,950,741.25
  5. Step 5: Solve for x
    x = 79,821,950,741.25/322,555.57
  6. Step 6: Final answer
    x = 247,467.29

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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.