Finding the Fourth Proportional to 299,757.44, 449,662.08 and 122,276.72
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Solution
The fourth proportional to 299,757.44, 449,662.08 and 122,276.72 is: 183,425.65
Step by Step Solution
- Step 1: Write the proportion equation
299,757.44 : 449,662.08 = 122,276.72 : x - Step 2: Convert to fraction form
299,757.44/449,662.08 = 122,276.72/x - Step 3: Cross multiply
299,757.44x = 449,662.08 × 122,276.72 - Step 4: Simplify right side
299,757.44x = 54,983,204,250.78 - Step 5: Solve for x
x = 54,983,204,250.78/299,757.44 - Step 6: Final answer
x = 183,425.65
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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.