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Finding the Fourth Proportional to 202,640.67, 303,961.24 and 52,880.84

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Solution

The fourth proportional to 202,640.67, 303,961.24 and 52,880.84 is: 79,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,640.67 : 303,961.24 = 52,880.84 : x
  2. Step 2: Convert to fraction form
    202,640.67/303,961.24 = 52,880.84/x
  3. Step 3: Cross multiply
    202,640.67x = 303,961.24 × 52,880.84
  4. Step 4: Simplify right side
    202,640.67x = 16,073,725,698.64
  5. Step 5: Solve for x
    x = 16,073,725,698.64/202,640.67
  6. Step 6: Final answer
    x = 79,321.32

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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.