Finding the Fourth Proportional to 336,765.42, 505,231.29 and 100,107.09
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Solution
The fourth proportional to 336,765.42, 505,231.29 and 100,107.09 is: 150,185.36
Step by Step Solution
- Step 1: Write the proportion equation
336,765.42 : 505,231.29 = 100,107.09 : x - Step 2: Convert to fraction form
336,765.42/505,231.29 = 100,107.09/x - Step 3: Cross multiply
336,765.42x = 505,231.29 × 100,107.09 - Step 4: Simplify right side
336,765.42x = 50,577,234,218.85 - Step 5: Solve for x
x = 50,577,234,218.85/336,765.42 - Step 6: Final answer
x = 150,185.36
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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.