Finding the Fourth Proportional to 311,121.48, 466,659.66 and 121,546.26
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Solution
The fourth proportional to 311,121.48, 466,659.66 and 121,546.26 is: 182,310.58
Step by Step Solution
- Step 1: Write the proportion equation
311,121.48 : 466,659.66 = 121,546.26 : x - Step 2: Convert to fraction form
311,121.48/466,659.66 = 121,546.26/x - Step 3: Cross multiply
311,121.48x = 466,659.66 × 121,546.26 - Step 4: Simplify right side
311,121.48x = 56,720,736,365.87 - Step 5: Solve for x
x = 56,720,736,365.87/311,121.48 - Step 6: Final answer
x = 182,310.58
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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.