Finding the Fourth Proportional to 329,556.09, 454,786.32 and 178,653.09
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Solution
The fourth proportional to 329,556.09, 454,786.32 and 178,653.09 is: 246,540.68
Step by Step Solution
- Step 1: Write the proportion equation
329,556.09 : 454,786.32 = 178,653.09 : x - Step 2: Convert to fraction form
329,556.09/454,786.32 = 178,653.09/x - Step 3: Cross multiply
329,556.09x = 454,786.32 × 178,653.09 - Step 4: Simplify right side
329,556.09x = 81,248,981,357.73 - Step 5: Solve for x
x = 81,248,981,357.73/329,556.09 - Step 6: Final answer
x = 246,540.68
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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.