Finding the Fourth Proportional to 115,691.05, 173,550.48 and 40,795.75
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Solution
The fourth proportional to 115,691.05, 173,550.48 and 40,795.75 is: 61,198.53
Step by Step Solution
- Step 1: Write the proportion equation
115,691.05 : 173,550.48 = 40,795.75 : x - Step 2: Convert to fraction form
115,691.05/173,550.48 = 40,795.75/x - Step 3: Cross multiply
115,691.05x = 173,550.48 × 40,795.75 - Step 4: Simplify right side
115,691.05x = 7,080,121,994.46 - Step 5: Solve for x
x = 7,080,121,994.46/115,691.05 - Step 6: Final answer
x = 61,198.53
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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.