Finding the Fourth Proportional to 327,512.20, 490,101.90 and 227,201.80
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Solution
The fourth proportional to 327,512.20, 490,101.90 and 227,201.80 is: 339,993.54
Step by Step Solution
- Step 1: Write the proportion equation
327,512.20 : 490,101.90 = 227,201.80 : x - Step 2: Convert to fraction form
327,512.20/490,101.90 = 227,201.80/x - Step 3: Cross multiply
327,512.20x = 490,101.90 × 227,201.80 - Step 4: Simplify right side
327,512.20x = 111,352,033,863.42 - Step 5: Solve for x
x = 111,352,033,863.42/327,512.20 - Step 6: Final answer
x = 339,993.54
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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.