Finding the Fourth Proportional to 263,593.79, 363,761.16 and 142,735.09
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Solution
The fourth proportional to 263,593.79, 363,761.16 and 142,735.09 is: 196,975.36
Step by Step Solution
- Step 1: Write the proportion equation
263,593.79 : 363,761.16 = 142,735.09 : x - Step 2: Convert to fraction form
263,593.79/363,761.16 = 142,735.09/x - Step 3: Cross multiply
263,593.79x = 363,761.16 × 142,735.09 - Step 4: Simplify right side
263,593.79x = 51,921,481,911.10 - Step 5: Solve for x
x = 51,921,481,911.10/263,593.79 - Step 6: Final answer
x = 196,975.36
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1.5x scale
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.