Finding the Fourth Proportional to 192,125.80, 288,188.70 and 125,770.60
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Solution
The fourth proportional to 192,125.80, 288,188.70 and 125,770.60 is: 188,655.90
Step by Step Solution
- Step 1: Write the proportion equation
192,125.80 : 288,188.70 = 125,770.60 : x - Step 2: Convert to fraction form
192,125.80/288,188.70 = 125,770.60/x - Step 3: Cross multiply
192,125.80x = 288,188.70 × 125,770.60 - Step 4: Simplify right side
192,125.80x = 36,245,665,712.22 - Step 5: Solve for x
x = 36,245,665,712.22/192,125.80 - Step 6: Final answer
x = 188,655.90
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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.