Finding the Fourth Proportional to 363,649.20, 545,286.99 and 195,311.15
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Solution
The fourth proportional to 363,649.20, 545,286.99 and 195,311.15 is: 292,866.39
Step by Step Solution
- Step 1: Write the proportion equation
363,649.20 : 545,286.99 = 195,311.15 : x - Step 2: Convert to fraction form
363,649.20/545,286.99 = 195,311.15/x - Step 3: Cross multiply
363,649.20x = 545,286.99 × 195,311.15 - Step 4: Simplify right side
363,649.20x = 106,500,628,049.12 - Step 5: Solve for x
x = 106,500,628,049.12/363,649.20 - Step 6: Final answer
x = 292,866.39
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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.