Finding the Fourth Proportional to 331,207.20, 496,818.99 and 120,845.13
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Solution
The fourth proportional to 331,207.20, 496,818.99 and 120,845.13 is: 181,270.68
Step by Step Solution
- Step 1: Write the proportion equation
331,207.20 : 496,818.99 = 120,845.13 : x - Step 2: Convert to fraction form
331,207.20/496,818.99 = 120,845.13/x - Step 3: Cross multiply
331,207.20x = 496,818.99 × 120,845.13 - Step 4: Simplify right side
331,207.20x = 60,038,152,948.92 - Step 5: Solve for x
x = 60,038,152,948.92/331,207.20 - Step 6: Final answer
x = 181,270.68
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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.