Finding the Fourth Proportional to 371,998.44, 513,361.50 and 202,236.20
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Solution
The fourth proportional to 371,998.44, 513,361.50 and 202,236.20 is: 279,087.94
Step by Step Solution
- Step 1: Write the proportion equation
371,998.44 : 513,361.50 = 202,236.20 : x - Step 2: Convert to fraction form
371,998.44/513,361.50 = 202,236.20/x - Step 3: Cross multiply
371,998.44x = 513,361.50 × 202,236.20 - Step 4: Simplify right side
371,998.44x = 103,820,278,986.30 - Step 5: Solve for x
x = 103,820,278,986.30/371,998.44 - Step 6: Final answer
x = 279,087.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.