Finding the Fourth Proportional to 180,082.62, 270,163.12 and 61,756.80
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Solution
The fourth proportional to 180,082.62, 270,163.12 and 61,756.80 is: 92,648.64
Step by Step Solution
- Step 1: Write the proportion equation
180,082.62 : 270,163.12 = 61,756.80 : x - Step 2: Convert to fraction form
180,082.62/270,163.12 = 61,756.80/x - Step 3: Cross multiply
180,082.62x = 270,163.12 × 61,756.80 - Step 4: Simplify right side
180,082.62x = 16,684,409,769.22 - Step 5: Solve for x
x = 16,684,409,769.22/180,082.62 - Step 6: Final answer
x = 92,648.64
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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.