Finding the Fourth Proportional to 204,006.80, 306,010.20 and 189,261.20
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Solution
The fourth proportional to 204,006.80, 306,010.20 and 189,261.20 is: 283,891.80
Step by Step Solution
- Step 1: Write the proportion equation
204,006.80 : 306,010.20 = 189,261.20 : x - Step 2: Convert to fraction form
204,006.80/306,010.20 = 189,261.20/x - Step 3: Cross multiply
204,006.80x = 306,010.20 × 189,261.20 - Step 4: Simplify right side
204,006.80x = 57,915,857,664.24 - Step 5: Solve for x
x = 57,915,857,664.24/204,006.80 - Step 6: Final answer
x = 283,891.80
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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.