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Finding the Fourth Proportional to 217,271.20, 325,906.80 and 201,524.80

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Solution

The fourth proportional to 217,271.20, 325,906.80 and 201,524.80 is: 302,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,271.20 : 325,906.80 = 201,524.80 : x
  2. Step 2: Convert to fraction form
    217,271.20/325,906.80 = 201,524.80/x
  3. Step 3: Cross multiply
    217,271.20x = 325,906.80 × 201,524.80
  4. Step 4: Simplify right side
    217,271.20x = 65,678,302,688.64
  5. Step 5: Solve for x
    x = 65,678,302,688.64/217,271.20
  6. Step 6: Final answer
    x = 302,287.20

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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.