Finding the Fourth Proportional to 388,531.94, 582,891.18 and 148,641.88
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Solution
The fourth proportional to 388,531.94, 582,891.18 and 148,641.88 is: 222,998.50
Step by Step Solution
- Step 1: Write the proportion equation
388,531.94 : 582,891.18 = 148,641.88 : x - Step 2: Convert to fraction form
388,531.94/582,891.18 = 148,641.88/x - Step 3: Cross multiply
388,531.94x = 582,891.18 × 148,641.88 - Step 4: Simplify right side
388,531.94x = 86,642,040,830.62 - Step 5: Solve for x
x = 86,642,040,830.62/388,531.94 - Step 6: Final answer
x = 222,998.50
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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.