Finding the Fourth Proportional to 331,662.26, 497,337.84 and 121,152.98
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Solution
The fourth proportional to 331,662.26, 497,337.84 and 121,152.98 is: 181,672.65
Step by Step Solution
- Step 1: Write the proportion equation
331,662.26 : 497,337.84 = 121,152.98 : x - Step 2: Convert to fraction form
331,662.26/497,337.84 = 121,152.98/x - Step 3: Cross multiply
331,662.26x = 497,337.84 × 121,152.98 - Step 4: Simplify right side
331,662.26x = 60,253,961,382.76 - Step 5: Solve for x
x = 60,253,961,382.76/331,662.26 - Step 6: Final answer
x = 181,672.65
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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.