Finding the Fourth Proportional to 112,138.25, 168,178.68 and 33,234.03
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Solution
The fourth proportional to 112,138.25, 168,178.68 and 33,234.03 is: 49,842.54
Step by Step Solution
- Step 1: Write the proportion equation
112,138.25 : 168,178.68 = 33,234.03 : x - Step 2: Convert to fraction form
112,138.25/168,178.68 = 33,234.03/x - Step 3: Cross multiply
112,138.25x = 168,178.68 × 33,234.03 - Step 4: Simplify right side
112,138.25x = 5,589,255,296.48 - Step 5: Solve for x
x = 5,589,255,296.48/112,138.25 - Step 6: Final answer
x = 49,842.54
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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.