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Finding the Fourth Proportional to 322,564.95, 445,114.41 and 179,316.27

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Solution

The fourth proportional to 322,564.95, 445,114.41 and 179,316.27 is: 247,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,564.95 : 445,114.41 = 179,316.27 : x
  2. Step 2: Convert to fraction form
    322,564.95/445,114.41 = 179,316.27/x
  3. Step 3: Cross multiply
    322,564.95x = 445,114.41 × 179,316.27
  4. Step 4: Simplify right side
    322,564.95x = 79,816,252,602.30
  5. Step 5: Solve for x
    x = 79,816,252,602.30/322,564.95
  6. Step 6: Final answer
    x = 247,442.43

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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.