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Finding the Fourth Proportional to 323,443.22, 484,628.49 and 196,700.09

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Solution

The fourth proportional to 323,443.22, 484,628.49 and 196,700.09 is: 294,723.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,443.22 : 484,628.49 = 196,700.09 : x
  2. Step 2: Convert to fraction form
    323,443.22/484,628.49 = 196,700.09/x
  3. Step 3: Cross multiply
    323,443.22x = 484,628.49 × 196,700.09
  4. Step 4: Simplify right side
    323,443.22x = 95,326,465,176.42
  5. Step 5: Solve for x
    x = 95,326,465,176.42/323,443.22
  6. Step 6: Final answer
    x = 294,723.96

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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.