Finding the Fourth Proportional to 194,427.68, 268,311.36 and 109,546.40
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Solution
The fourth proportional to 194,427.68, 268,311.36 and 109,546.40 is: 151,174.69
Step by Step Solution
- Step 1: Write the proportion equation
194,427.68 : 268,311.36 = 109,546.40 : x - Step 2: Convert to fraction form
194,427.68/268,311.36 = 109,546.40/x - Step 3: Cross multiply
194,427.68x = 268,311.36 × 109,546.40 - Step 4: Simplify right side
194,427.68x = 29,392,543,567.10 - Step 5: Solve for x
x = 29,392,543,567.10/194,427.68 - Step 6: Final answer
x = 151,174.69
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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.