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Finding the Fourth Proportional to 297,360.39, 410,358.58 and 161,394.54

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Solution

The fourth proportional to 297,360.39, 410,358.58 and 161,394.54 is: 222,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,360.39 : 410,358.58 = 161,394.54 : x
  2. Step 2: Convert to fraction form
    297,360.39/410,358.58 = 161,394.54/x
  3. Step 3: Cross multiply
    297,360.39x = 410,358.58 × 161,394.54
  4. Step 4: Simplify right side
    297,360.39x = 66,229,632,311.82
  5. Step 5: Solve for x
    x = 66,229,632,311.82/297,360.39
  6. Step 6: Final answer
    x = 222,725.13

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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.