Finding the Fourth Proportional to 204,163.20, 306,244.80 and 181,612.80
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Solution
The fourth proportional to 204,163.20, 306,244.80 and 181,612.80 is: 272,419.20
Step by Step Solution
- Step 1: Write the proportion equation
204,163.20 : 306,244.80 = 181,612.80 : x - Step 2: Convert to fraction form
204,163.20/306,244.80 = 181,612.80/x - Step 3: Cross multiply
204,163.20x = 306,244.80 × 181,612.80 - Step 4: Simplify right side
204,163.20x = 55,617,975,613.44 - Step 5: Solve for x
x = 55,617,975,613.44/204,163.20 - Step 6: Final answer
x = 272,419.20
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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.