Finding the Fourth Proportional to 226,116.26, 311,951.61 and 135,476.03
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Solution
The fourth proportional to 226,116.26, 311,951.61 and 135,476.03 is: 186,903.70
Step by Step Solution
- Step 1: Write the proportion equation
226,116.26 : 311,951.61 = 135,476.03 : x - Step 2: Convert to fraction form
226,116.26/311,951.61 = 135,476.03/x - Step 3: Cross multiply
226,116.26x = 311,951.61 × 135,476.03 - Step 4: Simplify right side
226,116.26x = 42,261,965,674.91 - Step 5: Solve for x
x = 42,261,965,674.91/226,116.26 - Step 6: Final answer
x = 186,903.70
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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.