Finding the Fourth Proportional to 306,198.92, 422,578.08 and 170,244.07
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Solution
The fourth proportional to 306,198.92, 422,578.08 and 170,244.07 is: 234,949.92
Step by Step Solution
- Step 1: Write the proportion equation
306,198.92 : 422,578.08 = 170,244.07 : x - Step 2: Convert to fraction form
306,198.92/422,578.08 = 170,244.07/x - Step 3: Cross multiply
306,198.92x = 422,578.08 × 170,244.07 - Step 4: Simplify right side
306,198.92x = 71,941,412,231.99 - Step 5: Solve for x
x = 71,941,412,231.99/306,198.92 - Step 6: Final answer
x = 234,949.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.