Finding the Fourth Proportional to 388,618.75, 582,677.63 and 163,919.08
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Solution
The fourth proportional to 388,618.75, 582,677.63 and 163,919.08 is: 245,772.96
Step by Step Solution
- Step 1: Write the proportion equation
388,618.75 : 582,677.63 = 163,919.08 : x - Step 2: Convert to fraction form
388,618.75/582,677.63 = 163,919.08/x - Step 3: Cross multiply
388,618.75x = 582,677.63 × 163,919.08 - Step 4: Simplify right side
388,618.75x = 95,511,981,046.18 - Step 5: Solve for x
x = 95,511,981,046.18/388,618.75 - Step 6: Final answer
x = 245,772.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.