Finding the Fourth Proportional to 207,323.44, 311,138.88 and 154,138.48
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Solution
The fourth proportional to 207,323.44, 311,138.88 and 154,138.48 is: 231,322.01
Step by Step Solution
- Step 1: Write the proportion equation
207,323.44 : 311,138.88 = 154,138.48 : x - Step 2: Convert to fraction form
207,323.44/311,138.88 = 154,138.48/x - Step 3: Cross multiply
207,323.44x = 311,138.88 × 154,138.48 - Step 4: Simplify right side
207,323.44x = 47,958,474,032.10 - Step 5: Solve for x
x = 47,958,474,032.10/207,323.44 - Step 6: Final answer
x = 231,322.01
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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.