Finding the Fourth Proportional to 192,376.10, 288,236.10 and 164,163.80
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Solution
The fourth proportional to 192,376.10, 288,236.10 and 164,163.80 is: 245,965.76
Step by Step Solution
- Step 1: Write the proportion equation
192,376.10 : 288,236.10 = 164,163.80 : x - Step 2: Convert to fraction form
192,376.10/288,236.10 = 164,163.80/x - Step 3: Cross multiply
192,376.10x = 288,236.10 × 164,163.80 - Step 4: Simplify right side
192,376.10x = 47,317,933,473.18 - Step 5: Solve for x
x = 47,317,933,473.18/192,376.10 - Step 6: Final answer
x = 245,965.76
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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.