Finding the Fourth Proportional to 220,770.09, 331,204.50 and 80,528.72
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Solution
The fourth proportional to 220,770.09, 331,204.50 and 80,528.72 is: 120,811.09
Step by Step Solution
- Step 1: Write the proportion equation
220,770.09 : 331,204.50 = 80,528.72 : x - Step 2: Convert to fraction form
220,770.09/331,204.50 = 80,528.72/x - Step 3: Cross multiply
220,770.09x = 331,204.50 × 80,528.72 - Step 4: Simplify right side
220,770.09x = 26,671,474,443.24 - Step 5: Solve for x
x = 26,671,474,443.24/220,770.09 - Step 6: Final answer
x = 120,811.09
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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.