Finding the Fourth Proportional to 208,114.11, 311,269.22 and 122,520.99
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Solution
The fourth proportional to 208,114.11, 311,269.22 and 122,520.99 is: 183,250.50
Step by Step Solution
- Step 1: Write the proportion equation
208,114.11 : 311,269.22 = 122,520.99 : x - Step 2: Convert to fraction form
208,114.11/311,269.22 = 122,520.99/x - Step 3: Cross multiply
208,114.11x = 311,269.22 × 122,520.99 - Step 4: Simplify right side
208,114.11x = 38,137,014,005.04 - Step 5: Solve for x
x = 38,137,014,005.04/208,114.11 - Step 6: Final answer
x = 183,250.50
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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.