Finding the Fourth Proportional to 151,689.36, 227,658.04 and 107,359.28
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Solution
The fourth proportional to 151,689.36, 227,658.04 and 107,359.28 is: 161,126.68
Step by Step Solution
- Step 1: Write the proportion equation
151,689.36 : 227,658.04 = 107,359.28 : x - Step 2: Convert to fraction form
151,689.36/227,658.04 = 107,359.28/x - Step 3: Cross multiply
151,689.36x = 227,658.04 × 107,359.28 - Step 4: Simplify right side
151,689.36x = 24,441,203,260.61 - Step 5: Solve for x
x = 24,441,203,260.61/151,689.36 - Step 6: Final answer
x = 161,126.68
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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.