Finding the Fourth Proportional to 206,739.92, 285,226.44 and 117,264.08
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Solution
The fourth proportional to 206,739.92, 285,226.44 and 117,264.08 is: 161,782.09
Step by Step Solution
- Step 1: Write the proportion equation
206,739.92 : 285,226.44 = 117,264.08 : x - Step 2: Convert to fraction form
206,739.92/285,226.44 = 117,264.08/x - Step 3: Cross multiply
206,739.92x = 285,226.44 × 117,264.08 - Step 4: Simplify right side
206,739.92x = 33,446,816,078.28 - Step 5: Solve for x
x = 33,446,816,078.28/206,739.92 - Step 6: Final answer
x = 161,782.09
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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.