Finding the Fourth Proportional to 255,198.99, 382,716.85 and 84,388.97
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Solution
The fourth proportional to 255,198.99, 382,716.85 and 84,388.97 is: 126,556.46
Step by Step Solution
- Step 1: Write the proportion equation
255,198.99 : 382,716.85 = 84,388.97 : x - Step 2: Convert to fraction form
255,198.99/382,716.85 = 84,388.97/x - Step 3: Cross multiply
255,198.99x = 382,716.85 × 84,388.97 - Step 4: Simplify right side
255,198.99x = 32,297,081,677.19 - Step 5: Solve for x
x = 32,297,081,677.19/255,198.99 - Step 6: Final answer
x = 126,556.46
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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.