Finding the Fourth Proportional to 311,676.29, 467,724.60 and 122,112.87
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Solution
The fourth proportional to 311,676.29, 467,724.60 and 122,112.87 is: 183,251.65
Step by Step Solution
- Step 1: Write the proportion equation
311,676.29 : 467,724.60 = 122,112.87 : x - Step 2: Convert to fraction form
311,676.29/467,724.60 = 122,112.87/x - Step 3: Cross multiply
311,676.29x = 467,724.60 × 122,112.87 - Step 4: Simplify right side
311,676.29x = 57,115,193,275.60 - Step 5: Solve for x
x = 57,115,193,275.60/311,676.29 - Step 6: Final answer
x = 183,251.65
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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.