Finding the Fourth Proportional to 194,639.96, 268,603.19 and 109,757.05
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Solution
The fourth proportional to 194,639.96, 268,603.19 and 109,757.05 is: 151,464.75
Step by Step Solution
- Step 1: Write the proportion equation
194,639.96 : 268,603.19 = 109,757.05 : x - Step 2: Convert to fraction form
194,639.96/268,603.19 = 109,757.05/x - Step 3: Cross multiply
194,639.96x = 268,603.19 × 109,757.05 - Step 4: Simplify right side
194,639.96x = 29,481,093,754.99 - Step 5: Solve for x
x = 29,481,093,754.99/194,639.96 - Step 6: Final answer
x = 151,464.75
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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.