Finding the Fourth Proportional to 114,842.70, 172,193.49 and 44,640.18
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Solution
The fourth proportional to 114,842.70, 172,193.49 and 44,640.18 is: 66,932.84
Step by Step Solution
- Step 1: Write the proportion equation
114,842.70 : 172,193.49 = 44,640.18 : x - Step 2: Convert to fraction form
114,842.70/172,193.49 = 44,640.18/x - Step 3: Cross multiply
114,842.70x = 172,193.49 × 44,640.18 - Step 4: Simplify right side
114,842.70x = 7,686,748,388.43 - Step 5: Solve for x
x = 7,686,748,388.43/114,842.70 - Step 6: Final answer
x = 66,932.84
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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.