Finding the Fourth Proportional to 218,912.52, 327,893.58 and 134,416.20
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Solution
The fourth proportional to 218,912.52, 327,893.58 and 134,416.20 is: 201,332.52
Step by Step Solution
- Step 1: Write the proportion equation
218,912.52 : 327,893.58 = 134,416.20 : x - Step 2: Convert to fraction form
218,912.52/327,893.58 = 134,416.20/x - Step 3: Cross multiply
218,912.52x = 327,893.58 × 134,416.20 - Step 4: Simplify right side
218,912.52x = 44,074,209,028.00 - Step 5: Solve for x
x = 44,074,209,028.00/218,912.52 - Step 6: Final answer
x = 201,332.52
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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.