Finding the Fourth Proportional to 329,924.84, 494,788.50 and 172,067.18
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Solution
The fourth proportional to 329,924.84, 494,788.50 and 172,067.18 is: 258,049.26
Step by Step Solution
- Step 1: Write the proportion equation
329,924.84 : 494,788.50 = 172,067.18 : x - Step 2: Convert to fraction form
329,924.84/494,788.50 = 172,067.18/x - Step 3: Cross multiply
329,924.84x = 494,788.50 × 172,067.18 - Step 4: Simplify right side
329,924.84x = 85,136,861,891.43 - Step 5: Solve for x
x = 85,136,861,891.43/329,924.84 - Step 6: Final answer
x = 258,049.26
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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.