Finding the Fourth Proportional to 115,241.75, 172,891.79 and 32,135.75
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Solution
The fourth proportional to 115,241.75, 172,891.79 and 32,135.75 is: 48,211.76
Step by Step Solution
- Step 1: Write the proportion equation
115,241.75 : 172,891.79 = 32,135.75 : x - Step 2: Convert to fraction form
115,241.75/172,891.79 = 32,135.75/x - Step 3: Cross multiply
115,241.75x = 172,891.79 × 32,135.75 - Step 4: Simplify right side
115,241.75x = 5,556,007,340.49 - Step 5: Solve for x
x = 5,556,007,340.49/115,241.75 - Step 6: Final answer
x = 48,211.76
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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.