Finding the Fourth Proportional to 326,310.12, 450,324.36 and 203,876.19
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Solution
The fourth proportional to 326,310.12, 450,324.36 and 203,876.19 is: 281,359.39
Step by Step Solution
- Step 1: Write the proportion equation
326,310.12 : 450,324.36 = 203,876.19 : x - Step 2: Convert to fraction form
326,310.12/450,324.36 = 203,876.19/x - Step 3: Cross multiply
326,310.12x = 450,324.36 × 203,876.19 - Step 4: Simplify right side
326,310.12x = 91,810,414,780.99 - Step 5: Solve for x
x = 91,810,414,780.99/326,310.12 - Step 6: Final answer
x = 281,359.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.