Finding the Fourth Proportional to 194,439.09, 268,375.92 and 126,625.08
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Solution
The fourth proportional to 194,439.09, 268,375.92 and 126,625.08 is: 174,775.16
Step by Step Solution
- Step 1: Write the proportion equation
194,439.09 : 268,375.92 = 126,625.08 : x - Step 2: Convert to fraction form
194,439.09/268,375.92 = 126,625.08/x - Step 3: Cross multiply
194,439.09x = 268,375.92 × 126,625.08 - Step 4: Simplify right side
194,439.09x = 33,983,122,340.07 - Step 5: Solve for x
x = 33,983,122,340.07/194,439.09 - Step 6: Final answer
x = 174,775.16
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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.