Finding the Fourth Proportional to 331,188.42, 496,450.46 and 153,819.99
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Solution
The fourth proportional to 331,188.42, 496,450.46 and 153,819.99 is: 230,575.71
Step by Step Solution
- Step 1: Write the proportion equation
331,188.42 : 496,450.46 = 153,819.99 : x - Step 2: Convert to fraction form
331,188.42/496,450.46 = 153,819.99/x - Step 3: Cross multiply
331,188.42x = 496,450.46 × 153,819.99 - Step 4: Simplify right side
331,188.42x = 76,364,005,177.25 - Step 5: Solve for x
x = 76,364,005,177.25/331,188.42 - Step 6: Final answer
x = 230,575.71
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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.