Finding the Fourth Proportional to 331,815.75, 497,725.52 and 82,497.75
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Solution
The fourth proportional to 331,815.75, 497,725.52 and 82,497.75 is: 123,747.09
Step by Step Solution
- Step 1: Write the proportion equation
331,815.75 : 497,725.52 = 82,497.75 : x - Step 2: Convert to fraction form
331,815.75/497,725.52 = 82,497.75/x - Step 3: Cross multiply
331,815.75x = 497,725.52 × 82,497.75 - Step 4: Simplify right side
331,815.75x = 41,061,235,105.09 - Step 5: Solve for x
x = 41,061,235,105.09/331,815.75 - Step 6: Final answer
x = 123,747.09
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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.