Finding the Fourth Proportional to 87,651.08, 131,372.79 and 40,226.19
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Solution
The fourth proportional to 87,651.08, 131,372.79 and 40,226.19 is: 60,291.63
Step by Step Solution
- Step 1: Write the proportion equation
87,651.08 : 131,372.79 = 40,226.19 : x - Step 2: Convert to fraction form
87,651.08/131,372.79 = 40,226.19/x - Step 3: Cross multiply
87,651.08x = 131,372.79 × 40,226.19 - Step 4: Simplify right side
87,651.08x = 5,284,626,811.37 - Step 5: Solve for x
x = 5,284,626,811.37/87,651.08 - Step 6: Final answer
x = 60,291.63
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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.