Finding the Fourth Proportional to 225,891.59, 311,707.29 and 135,245.19
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Solution
The fourth proportional to 225,891.59, 311,707.29 and 135,245.19 is: 186,624.54
Step by Step Solution
- Step 1: Write the proportion equation
225,891.59 : 311,707.29 = 135,245.19 : x - Step 2: Convert to fraction form
225,891.59/311,707.29 = 135,245.19/x - Step 3: Cross multiply
225,891.59x = 311,707.29 × 135,245.19 - Step 4: Simplify right side
225,891.59x = 42,156,912,575.75 - Step 5: Solve for x
x = 42,156,912,575.75/225,891.59 - Step 6: Final answer
x = 186,624.54
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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.