Finding the Fourth Proportional to 311,568.75, 467,165.94 and 121,803.11
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Solution
The fourth proportional to 311,568.75, 467,165.94 and 121,803.11 is: 182,631.48
Step by Step Solution
- Step 1: Write the proportion equation
311,568.75 : 467,165.94 = 121,803.11 : x - Step 2: Convert to fraction form
311,568.75/467,165.94 = 121,803.11/x - Step 3: Cross multiply
311,568.75x = 467,165.94 × 121,803.11 - Step 4: Simplify right side
311,568.75x = 56,902,262,042.24 - Step 5: Solve for x
x = 56,902,262,042.24/311,568.75 - Step 6: Final answer
x = 182,631.48
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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.