Finding the Fourth Proportional to 353,083.20, 529,624.80 and 327,163.20
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Solution
The fourth proportional to 353,083.20, 529,624.80 and 327,163.20 is: 490,744.80
Step by Step Solution
- Step 1: Write the proportion equation
353,083.20 : 529,624.80 = 327,163.20 : x - Step 2: Convert to fraction form
353,083.20/529,624.80 = 327,163.20/x - Step 3: Cross multiply
353,083.20x = 529,624.80 × 327,163.20 - Step 4: Simplify right side
353,083.20x = 173,273,744,367.36 - Step 5: Solve for x
x = 173,273,744,367.36/353,083.20 - Step 6: Final answer
x = 490,744.80
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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.