Finding the Fourth Proportional to 207,198.41, 285,959.12 and 116,558.19
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Solution
The fourth proportional to 207,198.41, 285,959.12 and 116,558.19 is: 160,864.54
Step by Step Solution
- Step 1: Write the proportion equation
207,198.41 : 285,959.12 = 116,558.19 : x - Step 2: Convert to fraction form
207,198.41/285,959.12 = 116,558.19/x - Step 3: Cross multiply
207,198.41x = 285,959.12 × 116,558.19 - Step 4: Simplify right side
207,198.41x = 33,330,876,858.40 - Step 5: Solve for x
x = 33,330,876,858.40/207,198.41 - Step 6: Final answer
x = 160,864.54
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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.