Finding the Fourth Proportional to 119,589.44, 179,107.68 and 115,442.24
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Solution
The fourth proportional to 119,589.44, 179,107.68 and 115,442.24 is: 172,896.47
Step by Step Solution
- Step 1: Write the proportion equation
119,589.44 : 179,107.68 = 115,442.24 : x - Step 2: Convert to fraction form
119,589.44/179,107.68 = 115,442.24/x - Step 3: Cross multiply
119,589.44x = 179,107.68 × 115,442.24 - Step 4: Simplify right side
119,589.44x = 20,676,591,780.40 - Step 5: Solve for x
x = 20,676,591,780.40/119,589.44 - Step 6: Final answer
x = 172,896.47
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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.