Finding the Fourth Proportional to 356,163.37, 533,396.97 and 206,087.38
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Solution
The fourth proportional to 356,163.37, 533,396.97 and 206,087.38 is: 308,640.34
Step by Step Solution
- Step 1: Write the proportion equation
356,163.37 : 533,396.97 = 206,087.38 : x - Step 2: Convert to fraction form
356,163.37/533,396.97 = 206,087.38/x - Step 3: Cross multiply
356,163.37x = 533,396.97 × 206,087.38 - Step 4: Simplify right side
356,163.37x = 109,926,384,047.24 - Step 5: Solve for x
x = 109,926,384,047.24/356,163.37 - Step 6: Final answer
x = 308,640.34
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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.