Finding the Fourth Proportional to 182,644.30, 274,021.80 and 129,439.14
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Solution
The fourth proportional to 182,644.30, 274,021.80 and 129,439.14 is: 194,197.94
Step by Step Solution
- Step 1: Write the proportion equation
182,644.30 : 274,021.80 = 129,439.14 : x - Step 2: Convert to fraction form
182,644.30/274,021.80 = 129,439.14/x - Step 3: Cross multiply
182,644.30x = 274,021.80 × 129,439.14 - Step 4: Simplify right side
182,644.30x = 35,469,146,133.25 - Step 5: Solve for x
x = 35,469,146,133.25/182,644.30 - Step 6: Final answer
x = 194,197.94
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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.