Finding the Fourth Proportional to 371,183.87, 512,245.11 and 218,193.99
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Solution
The fourth proportional to 371,183.87, 512,245.11 and 218,193.99 is: 301,114.39
Step by Step Solution
- Step 1: Write the proportion equation
371,183.87 : 512,245.11 = 218,193.99 : x - Step 2: Convert to fraction form
371,183.87/512,245.11 = 218,193.99/x - Step 3: Cross multiply
371,183.87x = 512,245.11 × 218,193.99 - Step 4: Simplify right side
371,183.87x = 111,768,804,408.89 - Step 5: Solve for x
x = 111,768,804,408.89/371,183.87 - Step 6: Final answer
x = 301,114.39
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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.