Finding the Fourth Proportional to 855,163.70, 1,282,786.88 and 224,078.12
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Solution
The fourth proportional to 855,163.70, 1,282,786.88 and 224,078.12 is: 336,128.01
Step by Step Solution
- Step 1: Write the proportion equation
855,163.70 : 1,282,786.88 = 224,078.12 : x - Step 2: Convert to fraction form
855,163.70/1,282,786.88 = 224,078.12/x - Step 3: Cross multiply
855,163.70x = 1,282,786.88 × 224,078.12 - Step 4: Simplify right side
855,163.70x = 287,444,471,310.68 - Step 5: Solve for x
x = 287,444,471,310.68/855,163.70 - Step 6: Final answer
x = 336,128.01
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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.