Finding the Fourth Proportional to 471,163.80, 706,745.70 and 321,864.60
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Solution
The fourth proportional to 471,163.80, 706,745.70 and 321,864.60 is: 482,796.90
Step by Step Solution
- Step 1: Write the proportion equation
471,163.80 : 706,745.70 = 321,864.60 : x - Step 2: Convert to fraction form
471,163.80/706,745.70 = 321,864.60/x - Step 3: Cross multiply
471,163.80x = 706,745.70 × 321,864.60 - Step 4: Simplify right side
471,163.80x = 227,476,422,032.22 - Step 5: Solve for x
x = 227,476,422,032.22/471,163.80 - Step 6: Final answer
x = 482,796.90
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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.