Finding the Fourth Proportional to 138,216.10, 207,324.16 and 44,731.30
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Solution
The fourth proportional to 138,216.10, 207,324.16 and 44,731.30 is: 67,096.95
Step by Step Solution
- Step 1: Write the proportion equation
138,216.10 : 207,324.16 = 44,731.30 : x - Step 2: Convert to fraction form
138,216.10/207,324.16 = 44,731.30/x - Step 3: Cross multiply
138,216.10x = 207,324.16 × 44,731.30 - Step 4: Simplify right side
138,216.10x = 9,273,879,198.21 - Step 5: Solve for x
x = 9,273,879,198.21/138,216.10 - Step 6: Final answer
x = 67,096.95
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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.