Finding the Fourth Proportional to 198,163.80, 297,245.70 and 183,000.60
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Solution
The fourth proportional to 198,163.80, 297,245.70 and 183,000.60 is: 274,500.90
Step by Step Solution
- Step 1: Write the proportion equation
198,163.80 : 297,245.70 = 183,000.60 : x - Step 2: Convert to fraction form
198,163.80/297,245.70 = 183,000.60/x - Step 3: Cross multiply
198,163.80x = 297,245.70 × 183,000.60 - Step 4: Simplify right side
198,163.80x = 54,396,141,447.42 - Step 5: Solve for x
x = 54,396,141,447.42/198,163.80 - Step 6: Final answer
x = 274,500.90
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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.