Finding the Fourth Proportional to 220,770.63, 331,205.30 and 80,529.26
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Solution
The fourth proportional to 220,770.63, 331,205.30 and 80,529.26 is: 120,811.88
Step by Step Solution
- Step 1: Write the proportion equation
220,770.63 : 331,205.30 = 80,529.26 : x - Step 2: Convert to fraction form
220,770.63/331,205.30 = 80,529.26/x - Step 3: Cross multiply
220,770.63x = 331,205.30 × 80,529.26 - Step 4: Simplify right side
220,770.63x = 26,671,715,658.41 - Step 5: Solve for x
x = 26,671,715,658.41/220,770.63 - Step 6: Final answer
x = 120,811.88
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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.