Finding the Fourth Proportional to 137,469.28, 206,145.56 and 48,745.12
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Solution
The fourth proportional to 137,469.28, 206,145.56 and 48,745.12 is: 73,096.99
Step by Step Solution
- Step 1: Write the proportion equation
137,469.28 : 206,145.56 = 48,745.12 : x - Step 2: Convert to fraction form
137,469.28/206,145.56 = 48,745.12/x - Step 3: Cross multiply
137,469.28x = 206,145.56 × 48,745.12 - Step 4: Simplify right side
137,469.28x = 10,048,590,059.67 - Step 5: Solve for x
x = 10,048,590,059.67/137,469.28 - Step 6: Final answer
x = 73,096.99
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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.