Finding the Fourth Proportional to 329,872.37, 494,956.13 and 189,630.99
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Solution
The fourth proportional to 329,872.37, 494,956.13 and 189,630.99 is: 284,531.32
Step by Step Solution
- Step 1: Write the proportion equation
329,872.37 : 494,956.13 = 189,630.99 : x - Step 2: Convert to fraction form
329,872.37/494,956.13 = 189,630.99/x - Step 3: Cross multiply
329,872.37x = 494,956.13 × 189,630.99 - Step 4: Simplify right side
329,872.37x = 93,859,019,990.31 - Step 5: Solve for x
x = 93,859,019,990.31/329,872.37 - Step 6: Final answer
x = 284,531.32
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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.