Finding the Fourth Proportional to 163,620.74, 225,704.36 and 98,192.84
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Solution
The fourth proportional to 163,620.74, 225,704.36 and 98,192.84 is: 135,450.75
Step by Step Solution
- Step 1: Write the proportion equation
163,620.74 : 225,704.36 = 98,192.84 : x - Step 2: Convert to fraction form
163,620.74/225,704.36 = 98,192.84/x - Step 3: Cross multiply
163,620.74x = 225,704.36 × 98,192.84 - Step 4: Simplify right side
163,620.74x = 22,162,550,489.30 - Step 5: Solve for x
x = 22,162,550,489.30/163,620.74 - Step 6: Final answer
x = 135,450.75
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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.