Finding the Fourth Proportional to 777,163.52, 1,165,747.36 and 216,198.08
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Solution
The fourth proportional to 777,163.52, 1,165,747.36 and 216,198.08 is: 324,297.70
Step by Step Solution
- Step 1: Write the proportion equation
777,163.52 : 1,165,747.36 = 216,198.08 : x - Step 2: Convert to fraction form
777,163.52/1,165,747.36 = 216,198.08/x - Step 3: Cross multiply
777,163.52x = 1,165,747.36 × 216,198.08 - Step 4: Simplify right side
777,163.52x = 252,032,340,997.07 - Step 5: Solve for x
x = 252,032,340,997.07/777,163.52 - Step 6: Final answer
x = 324,297.70
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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.