Finding the Fourth Proportional to 114,842.20, 172,192.74 and 44,639.68
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Solution
The fourth proportional to 114,842.20, 172,192.74 and 44,639.68 is: 66,932.09
Step by Step Solution
- Step 1: Write the proportion equation
114,842.20 : 172,192.74 = 44,639.68 : x - Step 2: Convert to fraction form
114,842.20/172,192.74 = 44,639.68/x - Step 3: Cross multiply
114,842.20x = 172,192.74 × 44,639.68 - Step 4: Simplify right side
114,842.20x = 7,686,628,811.92 - Step 5: Solve for x
x = 7,686,628,811.92/114,842.20 - Step 6: Final answer
x = 66,932.09
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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.