Finding the Fourth Proportional to 327,183.80, 490,775.70 and 201,212.60
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Solution
The fourth proportional to 327,183.80, 490,775.70 and 201,212.60 is: 301,818.90
Step by Step Solution
- Step 1: Write the proportion equation
327,183.80 : 490,775.70 = 201,212.60 : x - Step 2: Convert to fraction form
327,183.80/490,775.70 = 201,212.60/x - Step 3: Cross multiply
327,183.80x = 490,775.70 × 201,212.60 - Step 4: Simplify right side
327,183.80x = 98,750,254,613.82 - Step 5: Solve for x
x = 98,750,254,613.82/327,183.80 - Step 6: Final answer
x = 301,818.90
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1.5x scale
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.