Finding the Fourth Proportional to 494,521.62, 682,439.84 and 268,167.30
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Solution
The fourth proportional to 494,521.62, 682,439.84 and 268,167.30 is: 370,070.88
Step by Step Solution
- Step 1: Write the proportion equation
494,521.62 : 682,439.84 = 268,167.30 : x - Step 2: Convert to fraction form
494,521.62/682,439.84 = 268,167.30/x - Step 3: Cross multiply
494,521.62x = 682,439.84 × 268,167.30 - Step 4: Simplify right side
494,521.62x = 183,008,049,305.23 - Step 5: Solve for x
x = 183,008,049,305.23/494,521.62 - Step 6: Final answer
x = 370,070.88
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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.