Finding the Fourth Proportional to 195,843.28, 270,198.42 and 135,392.08
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Solution
The fourth proportional to 195,843.28, 270,198.42 and 135,392.08 is: 186,795.92
Step by Step Solution
- Step 1: Write the proportion equation
195,843.28 : 270,198.42 = 135,392.08 : x - Step 2: Convert to fraction form
195,843.28/270,198.42 = 135,392.08/x - Step 3: Cross multiply
195,843.28x = 270,198.42 × 135,392.08 - Step 4: Simplify right side
195,843.28x = 36,582,726,096.51 - Step 5: Solve for x
x = 36,582,726,096.51/195,843.28 - Step 6: Final answer
x = 186,795.92
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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.