Finding the Fourth Proportional to 371,287.49, 512,363.01 and 201,517.97
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Solution
The fourth proportional to 371,287.49, 512,363.01 and 201,517.97 is: 278,087.35
Step by Step Solution
- Step 1: Write the proportion equation
371,287.49 : 512,363.01 = 201,517.97 : x - Step 2: Convert to fraction form
371,287.49/512,363.01 = 201,517.97/x - Step 3: Cross multiply
371,287.49x = 512,363.01 × 201,517.97 - Step 4: Simplify right side
371,287.49x = 103,250,351,116.48 - Step 5: Solve for x
x = 103,250,351,116.48/371,287.49 - Step 6: Final answer
x = 278,087.35
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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.