Finding the Fourth Proportional to 505,542.15, 757,868.94 and 206,274.69
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Solution
The fourth proportional to 505,542.15, 757,868.94 and 206,274.69 is: 309,230.75
Step by Step Solution
- Step 1: Write the proportion equation
505,542.15 : 757,868.94 = 206,274.69 : x - Step 2: Convert to fraction form
505,542.15/757,868.94 = 206,274.69/x - Step 3: Cross multiply
505,542.15x = 757,868.94 × 206,274.69 - Step 4: Simplify right side
505,542.15x = 156,329,180,659.13 - Step 5: Solve for x
x = 156,329,180,659.13/505,542.15 - Step 6: Final answer
x = 309,230.75
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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.