Finding the Fourth Proportional to 299,876.97, 449,894.31 and 107,770.80
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Solution
The fourth proportional to 299,876.97, 449,894.31 and 107,770.80 is: 161,684.54
Step by Step Solution
- Step 1: Write the proportion equation
299,876.97 : 449,894.31 = 107,770.80 : x - Step 2: Convert to fraction form
299,876.97/449,894.31 = 107,770.80/x - Step 3: Cross multiply
299,876.97x = 449,894.31 × 107,770.80 - Step 4: Simplify right side
299,876.97x = 48,485,469,704.15 - Step 5: Solve for x
x = 48,485,469,704.15/299,876.97 - Step 6: Final answer
x = 161,684.54
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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.