Finding the Fourth Proportional to 115,340.40, 173,010.60 and 48,769.92
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Solution
The fourth proportional to 115,340.40, 173,010.60 and 48,769.92 is: 73,154.88
Step by Step Solution
- Step 1: Write the proportion equation
115,340.40 : 173,010.60 = 48,769.92 : x - Step 2: Convert to fraction form
115,340.40/173,010.60 = 48,769.92/x - Step 3: Cross multiply
115,340.40x = 173,010.60 × 48,769.92 - Step 4: Simplify right side
115,340.40x = 8,437,713,121.15 - Step 5: Solve for x
x = 8,437,713,121.15/115,340.40 - Step 6: Final answer
x = 73,154.88
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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.