Finding the Fourth Proportional to 263,593.67, 363,760.99 and 142,734.96
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Solution
The fourth proportional to 263,593.67, 363,760.99 and 142,734.96 is: 196,975.18
Step by Step Solution
- Step 1: Write the proportion equation
263,593.67 : 363,760.99 = 142,734.96 : x - Step 2: Convert to fraction form
263,593.67/363,760.99 = 142,734.96/x - Step 3: Cross multiply
263,593.67x = 363,760.99 × 142,734.96 - Step 4: Simplify right side
263,593.67x = 51,921,410,357.21 - Step 5: Solve for x
x = 51,921,410,357.21/263,593.67 - Step 6: Final answer
x = 196,975.18
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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.