Finding the Fourth Proportional to 326,821.53, 490,232.68 and 102,183.15
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Solution
The fourth proportional to 326,821.53, 490,232.68 and 102,183.15 is: 153,274.85
Step by Step Solution
- Step 1: Write the proportion equation
326,821.53 : 490,232.68 = 102,183.15 : x - Step 2: Convert to fraction form
326,821.53/490,232.68 = 102,183.15/x - Step 3: Cross multiply
326,821.53x = 490,232.68 × 102,183.15 - Step 4: Simplify right side
326,821.53x = 50,093,519,475.34 - Step 5: Solve for x
x = 50,093,519,475.34/326,821.53 - Step 6: Final answer
x = 153,274.85
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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.