Finding the Fourth Proportional to 204,229.12, 281,833.68 and 114,805.12
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Solution
The fourth proportional to 204,229.12, 281,833.68 and 114,805.12 is: 158,429.66
Step by Step Solution
- Step 1: Write the proportion equation
204,229.12 : 281,833.68 = 114,805.12 : x - Step 2: Convert to fraction form
204,229.12/281,833.68 = 114,805.12/x - Step 3: Cross multiply
204,229.12x = 281,833.68 × 114,805.12 - Step 4: Simplify right side
204,229.12x = 32,355,949,452.44 - Step 5: Solve for x
x = 32,355,949,452.44/204,229.12 - Step 6: Final answer
x = 158,429.66
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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.