Finding the Fourth Proportional to 327,219.24, 490,738.14 and 207,198.12
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Solution
The fourth proportional to 327,219.24, 490,738.14 and 207,198.12 is: 310,739.74
Step by Step Solution
- Step 1: Write the proportion equation
327,219.24 : 490,738.14 = 207,198.12 : x - Step 2: Convert to fraction form
327,219.24/490,738.14 = 207,198.12/x - Step 3: Cross multiply
327,219.24x = 490,738.14 × 207,198.12 - Step 4: Simplify right side
327,219.24x = 101,680,020,020.30 - Step 5: Solve for x
x = 101,680,020,020.30/327,219.24 - Step 6: Final answer
x = 310,739.74
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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.