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Finding the Fourth Proportional to 202,343.80, 303,861.30 and 132,532.60

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Solution

The fourth proportional to 202,343.80, 303,861.30 and 132,532.60 is: 199,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,343.80 : 303,861.30 = 132,532.60 : x
  2. Step 2: Convert to fraction form
    202,343.80/303,861.30 = 132,532.60/x
  3. Step 3: Cross multiply
    202,343.80x = 303,861.30 × 132,532.60
  4. Step 4: Simplify right side
    202,343.80x = 40,271,528,128.38
  5. Step 5: Solve for x
    x = 40,271,528,128.38/202,343.80
  6. Step 6: Final answer
    x = 199,025.26

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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.