Finding the Fourth Proportional to 220,808.14, 331,217.67 and 80,566.75
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Solution
The fourth proportional to 220,808.14, 331,217.67 and 80,566.75 is: 120,852.12
Step by Step Solution
- Step 1: Write the proportion equation
220,808.14 : 331,217.67 = 80,566.75 : x - Step 2: Convert to fraction form
220,808.14/331,217.67 = 80,566.75/x - Step 3: Cross multiply
220,808.14x = 331,217.67 × 80,566.75 - Step 4: Simplify right side
220,808.14x = 26,685,131,214.47 - Step 5: Solve for x
x = 26,685,131,214.47/220,808.14 - Step 6: Final answer
x = 120,852.12
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1.5x scale
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.