Finding the Fourth Proportional to 326,883.99, 490,289.27 and 90,260.31
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Solution
The fourth proportional to 326,883.99, 490,289.27 and 90,260.31 is: 135,380.33
Step by Step Solution
- Step 1: Write the proportion equation
326,883.99 : 490,289.27 = 90,260.31 : x - Step 2: Convert to fraction form
326,883.99/490,289.27 = 90,260.31/x - Step 3: Cross multiply
326,883.99x = 490,289.27 × 90,260.31 - Step 4: Simplify right side
326,883.99x = 44,253,661,048.57 - Step 5: Solve for x
x = 44,253,661,048.57/326,883.99 - Step 6: Final answer
x = 135,380.33
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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.