Finding the Fourth Proportional to 331,188.05, 496,449.90 and 153,819.62
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Solution
The fourth proportional to 331,188.05, 496,449.90 and 153,819.62 is: 230,575.15
Step by Step Solution
- Step 1: Write the proportion equation
331,188.05 : 496,449.90 = 153,819.62 : x - Step 2: Convert to fraction form
331,188.05/496,449.90 = 153,819.62/x - Step 3: Cross multiply
331,188.05x = 496,449.90 × 153,819.62 - Step 4: Simplify right side
331,188.05x = 76,363,732,484.79 - Step 5: Solve for x
x = 76,363,732,484.79/331,188.05 - Step 6: Final answer
x = 230,575.15
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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.