Finding the Fourth Proportional to 163,353.24, 225,410.67 and 91,732.68
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Solution
The fourth proportional to 163,353.24, 225,410.67 and 91,732.68 is: 126,581.66
Step by Step Solution
- Step 1: Write the proportion equation
163,353.24 : 225,410.67 = 91,732.68 : x - Step 2: Convert to fraction form
163,353.24/225,410.67 = 91,732.68/x - Step 3: Cross multiply
163,353.24x = 225,410.67 × 91,732.68 - Step 4: Simplify right side
163,353.24x = 20,677,524,859.70 - Step 5: Solve for x
x = 20,677,524,859.70/163,353.24 - Step 6: Final answer
x = 126,581.66
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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.