Finding the Fourth Proportional to 476,640.14, 658,190.60 and 355,571.18
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Solution
The fourth proportional to 476,640.14, 658,190.60 and 355,571.18 is: 491,006.92
Step by Step Solution
- Step 1: Write the proportion equation
476,640.14 : 658,190.60 = 355,571.18 : x - Step 2: Convert to fraction form
476,640.14/658,190.60 = 355,571.18/x - Step 3: Cross multiply
476,640.14x = 658,190.60 × 355,571.18 - Step 4: Simplify right side
476,640.14x = 234,033,608,306.91 - Step 5: Solve for x
x = 234,033,608,306.91/476,640.14 - Step 6: Final answer
x = 491,006.92
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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.