Finding the Fourth Proportional to 225,589.19, 311,313.08 and 134,948.97
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Solution
The fourth proportional to 225,589.19, 311,313.08 and 134,948.97 is: 186,229.58
Step by Step Solution
- Step 1: Write the proportion equation
225,589.19 : 311,313.08 = 134,948.97 : x - Step 2: Convert to fraction form
225,589.19/311,313.08 = 134,948.97/x - Step 3: Cross multiply
225,589.19x = 311,313.08 × 134,948.97 - Step 4: Simplify right side
225,589.19x = 42,011,379,493.53 - Step 5: Solve for x
x = 42,011,379,493.53/225,589.19 - Step 6: Final answer
x = 186,229.58
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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.