Finding the Fourth Proportional to 226,107.50, 311,939.55 and 135,467.28
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Solution
The fourth proportional to 226,107.50, 311,939.55 and 135,467.28 is: 186,891.65
Step by Step Solution
- Step 1: Write the proportion equation
226,107.50 : 311,939.55 = 135,467.28 : x - Step 2: Convert to fraction form
226,107.50/311,939.55 = 135,467.28/x - Step 3: Cross multiply
226,107.50x = 311,939.55 × 135,467.28 - Step 4: Simplify right side
226,107.50x = 42,257,602,362.92 - Step 5: Solve for x
x = 42,257,602,362.92/226,107.50 - Step 6: Final answer
x = 186,891.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.