Finding the Fourth Proportional to 413,793.74, 620,790.24 and 143,882.84
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Solution
The fourth proportional to 413,793.74, 620,790.24 and 143,882.84 is: 215,858.90
Step by Step Solution
- Step 1: Write the proportion equation
413,793.74 : 620,790.24 = 143,882.84 : x - Step 2: Convert to fraction form
413,793.74/620,790.24 = 143,882.84/x - Step 3: Cross multiply
413,793.74x = 620,790.24 × 143,882.84 - Step 4: Simplify right side
413,793.74x = 89,321,062,775.48 - Step 5: Solve for x
x = 89,321,062,775.48/413,793.74 - Step 6: Final answer
x = 215,858.90
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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.