Finding the Fourth Proportional to 356,163.97, 491,519.52 and 203,227.06
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Solution
The fourth proportional to 356,163.97, 491,519.52 and 203,227.06 is: 280,460.90
Step by Step Solution
- Step 1: Write the proportion equation
356,163.97 : 491,519.52 = 203,227.06 : x - Step 2: Convert to fraction form
356,163.97/491,519.52 = 203,227.06/x - Step 3: Cross multiply
356,163.97x = 491,519.52 × 203,227.06 - Step 4: Simplify right side
356,163.97x = 99,890,066,982.21 - Step 5: Solve for x
x = 99,890,066,982.21/356,163.97 - Step 6: Final answer
x = 280,460.90
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1.5x scale
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.