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Finding the Fourth Proportional to 201,682.20, 302,523.30 and 192,496.80

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Solution

The fourth proportional to 201,682.20, 302,523.30 and 192,496.80 is: 288,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,682.20 : 302,523.30 = 192,496.80 : x
  2. Step 2: Convert to fraction form
    201,682.20/302,523.30 = 192,496.80/x
  3. Step 3: Cross multiply
    201,682.20x = 302,523.30 × 192,496.80
  4. Step 4: Simplify right side
    201,682.20x = 58,234,767,175.44
  5. Step 5: Solve for x
    x = 58,234,767,175.44/201,682.20
  6. Step 6: Final answer
    x = 288,745.20

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1.5x scale

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.