Finding the Fourth Proportional to 163,626.20, 245,439.30 and 113,859.80
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Solution
The fourth proportional to 163,626.20, 245,439.30 and 113,859.80 is: 170,789.70
Step by Step Solution
- Step 1: Write the proportion equation
163,626.20 : 245,439.30 = 113,859.80 : x - Step 2: Convert to fraction form
163,626.20/245,439.30 = 113,859.80/x - Step 3: Cross multiply
163,626.20x = 245,439.30 × 113,859.80 - Step 4: Simplify right side
163,626.20x = 27,945,669,610.14 - Step 5: Solve for x
x = 27,945,669,610.14/163,626.20 - Step 6: Final answer
x = 170,789.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.