Finding the Fourth Proportional to 87,466.23, 131,201.37 and 31,310.20
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Solution
The fourth proportional to 87,466.23, 131,201.37 and 31,310.20 is: 46,966.02
Step by Step Solution
- Step 1: Write the proportion equation
87,466.23 : 131,201.37 = 31,310.20 : x - Step 2: Convert to fraction form
87,466.23/131,201.37 = 31,310.20/x - Step 3: Cross multiply
87,466.23x = 131,201.37 × 31,310.20 - Step 4: Simplify right side
87,466.23x = 4,107,940,560.97 - Step 5: Solve for x
x = 4,107,940,560.97/87,466.23 - Step 6: Final answer
x = 46,966.02
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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.