Finding the Fourth Proportional to 192,626.70, 288,745.65 and 87,521.10
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Solution
The fourth proportional to 192,626.70, 288,745.65 and 87,521.10 is: 131,193.32
Step by Step Solution
- Step 1: Write the proportion equation
192,626.70 : 288,745.65 = 87,521.10 : x - Step 2: Convert to fraction form
192,626.70/288,745.65 = 87,521.10/x - Step 3: Cross multiply
192,626.70x = 288,745.65 × 87,521.10 - Step 4: Simplify right side
192,626.70x = 25,271,336,908.22 - Step 5: Solve for x
x = 25,271,336,908.22/192,626.70 - Step 6: Final answer
x = 131,193.32
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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.