Finding the Fourth Proportional to 777,163.77, 1,165,747.74 and 216,198.33
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Solution
The fourth proportional to 777,163.77, 1,165,747.74 and 216,198.33 is: 324,298.07
Step by Step Solution
- Step 1: Write the proportion equation
777,163.77 : 1,165,747.74 = 216,198.33 : x - Step 2: Convert to fraction form
777,163.77/1,165,747.74 = 216,198.33/x - Step 3: Cross multiply
777,163.77x = 1,165,747.74 × 216,198.33 - Step 4: Simplify right side
777,163.77x = 252,032,713,508.28 - Step 5: Solve for x
x = 252,032,713,508.28/777,163.77 - Step 6: Final answer
x = 324,298.07
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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.