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Finding the Fourth Proportional to 445,329.83, 667,996.10 and 108,370.54

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Solution

The fourth proportional to 445,329.83, 667,996.10 and 108,370.54 is: 162,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,329.83 : 667,996.10 = 108,370.54 : x
  2. Step 2: Convert to fraction form
    445,329.83/667,996.10 = 108,370.54/x
  3. Step 3: Cross multiply
    445,329.83x = 667,996.10 × 108,370.54
  4. Step 4: Simplify right side
    445,329.83x = 72,391,097,533.04
  5. Step 5: Solve for x
    x = 72,391,097,533.04/445,329.83
  6. Step 6: Final answer
    x = 162,556.14

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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.