Finding the Fourth Proportional to 382,998.64, 574,201.94 and 193,361.38
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Solution
The fourth proportional to 382,998.64, 574,201.94 and 193,361.38 is: 289,892.62
Step by Step Solution
- Step 1: Write the proportion equation
382,998.64 : 574,201.94 = 193,361.38 : x - Step 2: Convert to fraction form
382,998.64/574,201.94 = 193,361.38/x - Step 3: Cross multiply
382,998.64x = 574,201.94 × 193,361.38 - Step 4: Simplify right side
382,998.64x = 111,028,479,517.08 - Step 5: Solve for x
x = 111,028,479,517.08/382,998.64 - Step 6: Final answer
x = 289,892.62
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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.