Finding the Fourth Proportional to 103,247.56, 154,891.50 and 33,121.48
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Solution
The fourth proportional to 103,247.56, 154,891.50 and 33,121.48 is: 49,688.69
Step by Step Solution
- Step 1: Write the proportion equation
103,247.56 : 154,891.50 = 33,121.48 : x - Step 2: Convert to fraction form
103,247.56/154,891.50 = 33,121.48/x - Step 3: Cross multiply
103,247.56x = 154,891.50 × 33,121.48 - Step 4: Simplify right side
103,247.56x = 5,130,235,719.42 - Step 5: Solve for x
x = 5,130,235,719.42/103,247.56 - Step 6: Final answer
x = 49,688.69
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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.