Finding the Fourth Proportional to 207,678.26, 286,596.26 and 112,184.96
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Solution
The fourth proportional to 207,678.26, 286,596.26 and 112,184.96 is: 154,815.38
Step by Step Solution
- Step 1: Write the proportion equation
207,678.26 : 286,596.26 = 112,184.96 : x - Step 2: Convert to fraction form
207,678.26/286,596.26 = 112,184.96/x - Step 3: Cross multiply
207,678.26x = 286,596.26 × 112,184.96 - Step 4: Simplify right side
207,678.26x = 32,151,790,104.48 - Step 5: Solve for x
x = 32,151,790,104.48/207,678.26 - Step 6: Final answer
x = 154,815.38
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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.