Finding the Fourth Proportional to 115,231.66, 172,729.11 and 44,137.62
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Solution
The fourth proportional to 115,231.66, 172,729.11 and 44,137.62 is: 66,161.09
Step by Step Solution
- Step 1: Write the proportion equation
115,231.66 : 172,729.11 = 44,137.62 : x - Step 2: Convert to fraction form
115,231.66/172,729.11 = 44,137.62/x - Step 3: Cross multiply
115,231.66x = 172,729.11 × 44,137.62 - Step 4: Simplify right side
115,231.66x = 7,623,851,820.12 - Step 5: Solve for x
x = 7,623,851,820.12/115,231.66 - Step 6: Final answer
x = 66,161.09
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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.