Finding the Fourth Proportional to 311,520.26, 467,273.64 and 86,874.70
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Solution
The fourth proportional to 311,520.26, 467,273.64 and 86,874.70 is: 130,310.17
Step by Step Solution
- Step 1: Write the proportion equation
311,520.26 : 467,273.64 = 86,874.70 : x - Step 2: Convert to fraction form
311,520.26/467,273.64 = 86,874.70/x - Step 3: Cross multiply
311,520.26x = 467,273.64 × 86,874.70 - Step 4: Simplify right side
311,520.26x = 40,594,257,292.91 - Step 5: Solve for x
x = 40,594,257,292.91/311,520.26 - Step 6: Final answer
x = 130,310.17
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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.