Finding the Fourth Proportional to 170,761.74, 256,118.54 and 107,388.68
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Solution
The fourth proportional to 170,761.74, 256,118.54 and 107,388.68 is: 161,067.88
Step by Step Solution
- Step 1: Write the proportion equation
170,761.74 : 256,118.54 = 107,388.68 : x - Step 2: Convert to fraction form
170,761.74/256,118.54 = 107,388.68/x - Step 3: Cross multiply
170,761.74x = 256,118.54 × 107,388.68 - Step 4: Simplify right side
170,761.74x = 27,504,231,934.13 - Step 5: Solve for x
x = 27,504,231,934.13/170,761.74 - Step 6: Final answer
x = 161,067.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.