Finding the Fourth Proportional to 547,660.12, 755,716.62 and 305,937.50
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Solution
The fourth proportional to 547,660.12, 755,716.62 and 305,937.50 is: 422,163.39
Step by Step Solution
- Step 1: Write the proportion equation
547,660.12 : 755,716.62 = 305,937.50 : x - Step 2: Convert to fraction form
547,660.12/755,716.62 = 305,937.50/x - Step 3: Cross multiply
547,660.12x = 755,716.62 × 305,937.50 - Step 4: Simplify right side
547,660.12x = 231,202,053,431.25 - Step 5: Solve for x
x = 231,202,053,431.25/547,660.12 - Step 6: Final answer
x = 422,163.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.