Finding the Fourth Proportional to 226,114.26, 311,948.85 and 135,474.03
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Solution
The fourth proportional to 226,114.26, 311,948.85 and 135,474.03 is: 186,900.94
Step by Step Solution
- Step 1: Write the proportion equation
226,114.26 : 311,948.85 = 135,474.03 : x - Step 2: Convert to fraction form
226,114.26/311,948.85 = 135,474.03/x - Step 3: Cross multiply
226,114.26x = 311,948.85 × 135,474.03 - Step 4: Simplify right side
226,114.26x = 42,260,967,863.37 - Step 5: Solve for x
x = 42,260,967,863.37/226,114.26 - Step 6: Final answer
x = 186,900.94
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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.