Finding the Fourth Proportional to 329,514.26, 494,274.02 and 215,757.96
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Solution
The fourth proportional to 329,514.26, 494,274.02 and 215,757.96 is: 323,638.66
Step by Step Solution
- Step 1: Write the proportion equation
329,514.26 : 494,274.02 = 215,757.96 : x - Step 2: Convert to fraction form
329,514.26/494,274.02 = 215,757.96/x - Step 3: Cross multiply
329,514.26x = 494,274.02 × 215,757.96 - Step 4: Simplify right side
329,514.26x = 106,643,553,157.41 - Step 5: Solve for x
x = 106,643,553,157.41/329,514.26 - Step 6: Final answer
x = 323,638.66
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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.