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Finding the Fourth Proportional to 217,410.40, 326,115.60 and 195,637.60

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Solution

The fourth proportional to 217,410.40, 326,115.60 and 195,637.60 is: 293,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,410.40 : 326,115.60 = 195,637.60 : x
  2. Step 2: Convert to fraction form
    217,410.40/326,115.60 = 195,637.60/x
  3. Step 3: Cross multiply
    217,410.40x = 326,115.60 × 195,637.60
  4. Step 4: Simplify right side
    217,410.40x = 63,800,473,306.56
  5. Step 5: Solve for x
    x = 63,800,473,306.56/217,410.40
  6. Step 6: Final answer
    x = 293,456.40

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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.