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Finding the Fourth Proportional to 322,673.48, 445,247.34 and 179,405

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Solution

The fourth proportional to 322,673.48, 445,247.34 and 179,405 is: 247,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,673.48 : 445,247.34 = 179,405 : x
  2. Step 2: Convert to fraction form
    322,673.48/445,247.34 = 179,405/x
  3. Step 3: Cross multiply
    322,673.48x = 445,247.34 × 179,405
  4. Step 4: Simplify right side
    322,673.48x = 79,879,599,032.70
  5. Step 5: Solve for x
    x = 79,879,599,032.70/322,673.48
  6. Step 6: Final answer
    x = 247,555.51

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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.