Finding the Fourth Proportional to 311,230.62, 466,748.01 and 100,819.74
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Solution
The fourth proportional to 311,230.62, 466,748.01 and 100,819.74 is: 151,197.89
Step by Step Solution
- Step 1: Write the proportion equation
311,230.62 : 466,748.01 = 100,819.74 : x - Step 2: Convert to fraction form
311,230.62/466,748.01 = 100,819.74/x - Step 3: Cross multiply
311,230.62x = 466,748.01 × 100,819.74 - Step 4: Simplify right side
311,230.62x = 47,057,413,013.72 - Step 5: Solve for x
x = 47,057,413,013.72/311,230.62 - Step 6: Final answer
x = 151,197.89
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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.