Finding the Fourth Proportional to 331,727.15, 496,861.36 and 274,148.48
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Solution
The fourth proportional to 331,727.15, 496,861.36 and 274,148.48 is: 410,619.95
Step by Step Solution
- Step 1: Write the proportion equation
331,727.15 : 496,861.36 = 274,148.48 : x - Step 2: Convert to fraction form
331,727.15/496,861.36 = 274,148.48/x - Step 3: Cross multiply
331,727.15x = 496,861.36 × 274,148.48 - Step 4: Simplify right side
331,727.15x = 136,213,786,614.73 - Step 5: Solve for x
x = 136,213,786,614.73/331,727.15 - Step 6: Final answer
x = 410,619.95
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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.