Finding the Fourth Proportional to 194,583.20, 291,728.88 and 82,394.96
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Solution
The fourth proportional to 194,583.20, 291,728.88 and 82,394.96 is: 123,530.65
Step by Step Solution
- Step 1: Write the proportion equation
194,583.20 : 291,728.88 = 82,394.96 : x - Step 2: Convert to fraction form
194,583.20/291,728.88 = 82,394.96/x - Step 3: Cross multiply
194,583.20x = 291,728.88 × 82,394.96 - Step 4: Simplify right side
194,583.20x = 24,036,989,398.44 - Step 5: Solve for x
x = 24,036,989,398.44/194,583.20 - Step 6: Final answer
x = 123,530.65
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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.