Finding the Fourth Proportional to 173,442.20, 260,163.30 and 48,783.20
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Solution
The fourth proportional to 173,442.20, 260,163.30 and 48,783.20 is: 73,174.80
Step by Step Solution
- Step 1: Write the proportion equation
173,442.20 : 260,163.30 = 48,783.20 : x - Step 2: Convert to fraction form
173,442.20/260,163.30 = 48,783.20/x - Step 3: Cross multiply
173,442.20x = 260,163.30 × 48,783.20 - Step 4: Simplify right side
173,442.20x = 12,691,598,296.56 - Step 5: Solve for x
x = 12,691,598,296.56/173,442.20 - Step 6: Final answer
x = 73,174.80
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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.