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Finding the Fourth Proportional to 202,242.80, 303,801.60 and 143,193.80

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Solution

The fourth proportional to 202,242.80, 303,801.60 and 143,193.80 is: 215,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,242.80 : 303,801.60 = 143,193.80 : x
  2. Step 2: Convert to fraction form
    202,242.80/303,801.60 = 143,193.80/x
  3. Step 3: Cross multiply
    202,242.80x = 303,801.60 × 143,193.80
  4. Step 4: Simplify right side
    202,242.80x = 43,502,505,550.08
  5. Step 5: Solve for x
    x = 43,502,505,550.08/202,242.80
  6. Step 6: Final answer
    x = 215,100.39

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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.