Finding the Fourth Proportional to 331,149.99, 496,799.04 and 120,787.92
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Solution
The fourth proportional to 331,149.99, 496,799.04 and 120,787.92 is: 181,208.89
Step by Step Solution
- Step 1: Write the proportion equation
331,149.99 : 496,799.04 = 120,787.92 : x - Step 2: Convert to fraction form
331,149.99/496,799.04 = 120,787.92/x - Step 3: Cross multiply
331,149.99x = 496,799.04 × 120,787.92 - Step 4: Simplify right side
331,149.99x = 60,007,320,215.60 - Step 5: Solve for x
x = 60,007,320,215.60/331,149.99 - Step 6: Final answer
x = 181,208.89
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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.