Finding the Fourth Proportional to 218,620.46, 327,189.99 and 134,433.95
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Solution
The fourth proportional to 218,620.46, 327,189.99 and 134,433.95 is: 201,195.45
Step by Step Solution
- Step 1: Write the proportion equation
218,620.46 : 327,189.99 = 134,433.95 : x - Step 2: Convert to fraction form
218,620.46/327,189.99 = 134,433.95/x - Step 3: Cross multiply
218,620.46x = 327,189.99 × 134,433.95 - Step 4: Simplify right side
218,620.46x = 43,985,441,843.05 - Step 5: Solve for x
x = 43,985,441,843.05/218,620.46 - Step 6: Final answer
x = 201,195.45
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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.