Finding the Fourth Proportional to 568,235.30, 784,163.10 and 313,584.66
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Solution
The fourth proportional to 568,235.30, 784,163.10 and 313,584.66 is: 432,745.94
Step by Step Solution
- Step 1: Write the proportion equation
568,235.30 : 784,163.10 = 313,584.66 : x - Step 2: Convert to fraction form
568,235.30/784,163.10 = 313,584.66/x - Step 3: Cross multiply
568,235.30x = 784,163.10 × 313,584.66 - Step 4: Simplify right side
568,235.30x = 245,901,517,530.12 - Step 5: Solve for x
x = 245,901,517,530.12/568,235.30 - Step 6: Final answer
x = 432,745.94
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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.