Finding the Fourth Proportional to 388,338.48, 582,574.11 and 177,994.44
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Solution
The fourth proportional to 388,338.48, 582,574.11 and 177,994.44 is: 267,022.09
Step by Step Solution
- Step 1: Write the proportion equation
388,338.48 : 582,574.11 = 177,994.44 : x - Step 2: Convert to fraction form
388,338.48/582,574.11 = 177,994.44/x - Step 3: Cross multiply
388,338.48x = 582,574.11 × 177,994.44 - Step 4: Simplify right side
388,338.48x = 103,694,952,467.95 - Step 5: Solve for x
x = 103,694,952,467.95/388,338.48 - Step 6: Final answer
x = 267,022.09
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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.