Finding the Fourth Proportional to 217,534.64, 326,232.84 and 147,861.68
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Solution
The fourth proportional to 217,534.64, 326,232.84 and 147,861.68 is: 221,745.54
Step by Step Solution
- Step 1: Write the proportion equation
217,534.64 : 326,232.84 = 147,861.68 : x - Step 2: Convert to fraction form
217,534.64/326,232.84 = 147,861.68/x - Step 3: Cross multiply
217,534.64x = 326,232.84 × 147,861.68 - Step 4: Simplify right side
217,534.64x = 48,237,335,793.57 - Step 5: Solve for x
x = 48,237,335,793.57/217,534.64 - Step 6: Final answer
x = 221,745.54
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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.