Finding the Fourth Proportional to 163,446.48, 225,578.88 and 91,832.04
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Solution
The fourth proportional to 163,446.48, 225,578.88 and 91,832.04 is: 126,740.99
Step by Step Solution
- Step 1: Write the proportion equation
163,446.48 : 225,578.88 = 91,832.04 : x - Step 2: Convert to fraction form
163,446.48/225,578.88 = 91,832.04/x - Step 3: Cross multiply
163,446.48x = 225,578.88 × 91,832.04 - Step 4: Simplify right side
163,446.48x = 20,715,368,731.32 - Step 5: Solve for x
x = 20,715,368,731.32/163,446.48 - Step 6: Final answer
x = 126,740.99
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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.