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Finding the Fourth Proportional to 800,348.67, 1,200,434.52 and 201,310.08

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Solution

The fourth proportional to 800,348.67, 1,200,434.52 and 201,310.08 is: 301,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,348.67 : 1,200,434.52 = 201,310.08 : x
  2. Step 2: Convert to fraction form
    800,348.67/1,200,434.52 = 201,310.08/x
  3. Step 3: Cross multiply
    800,348.67x = 1,200,434.52 × 201,310.08
  4. Step 4: Simplify right side
    800,348.67x = 241,659,569,255.96
  5. Step 5: Solve for x
    x = 241,659,569,255.96/800,348.67
  6. Step 6: Final answer
    x = 301,942.86

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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.