Finding the Fourth Proportional to 263,568.09, 363,723.42 and 142,709.49
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Solution
The fourth proportional to 263,568.09, 363,723.42 and 142,709.49 is: 196,938.80
Step by Step Solution
- Step 1: Write the proportion equation
263,568.09 : 363,723.42 = 142,709.49 : x - Step 2: Convert to fraction form
263,568.09/363,723.42 = 142,709.49/x - Step 3: Cross multiply
263,568.09x = 363,723.42 × 142,709.49 - Step 4: Simplify right side
263,568.09x = 51,906,783,769.26 - Step 5: Solve for x
x = 51,906,783,769.26/263,568.09 - Step 6: Final answer
x = 196,938.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.