Finding the Fourth Proportional to 206,884.36, 285,533.68 and 193,376.96
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Solution
The fourth proportional to 206,884.36, 285,533.68 and 193,376.96 is: 266,891.30
Step by Step Solution
- Step 1: Write the proportion equation
206,884.36 : 285,533.68 = 193,376.96 : x - Step 2: Convert to fraction form
206,884.36/285,533.68 = 193,376.96/x - Step 3: Cross multiply
206,884.36x = 285,533.68 × 193,376.96 - Step 4: Simplify right side
206,884.36x = 55,215,635,016.01 - Step 5: Solve for x
x = 55,215,635,016.01/206,884.36 - Step 6: Final answer
x = 266,891.30
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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.