Finding the Fourth Proportional to 273,221.40, 409,832.10 and 271,471.80
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Solution
The fourth proportional to 273,221.40, 409,832.10 and 271,471.80 is: 407,207.70
Step by Step Solution
- Step 1: Write the proportion equation
273,221.40 : 409,832.10 = 271,471.80 : x - Step 2: Convert to fraction form
273,221.40/409,832.10 = 271,471.80/x - Step 3: Cross multiply
273,221.40x = 409,832.10 × 271,471.80 - Step 4: Simplify right side
273,221.40x = 111,257,857,884.78 - Step 5: Solve for x
x = 111,257,857,884.78/273,221.40 - Step 6: Final answer
x = 407,207.70
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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.