Finding the Fourth Proportional to 275,212.20, 413,207.10 and 170,236.20
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Solution
The fourth proportional to 275,212.20, 413,207.10 and 170,236.20 is: 255,594.80
Step by Step Solution
- Step 1: Write the proportion equation
275,212.20 : 413,207.10 = 170,236.20 : x - Step 2: Convert to fraction form
275,212.20/413,207.10 = 170,236.20/x - Step 3: Cross multiply
275,212.20x = 413,207.10 × 170,236.20 - Step 4: Simplify right side
275,212.20x = 70,342,806,517.02 - Step 5: Solve for x
x = 70,342,806,517.02/275,212.20 - Step 6: Final answer
x = 255,594.80
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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.