Finding the Fourth Proportional to 218,109.24, 327,163.44 and 68,361.06
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Solution
The fourth proportional to 218,109.24, 327,163.44 and 68,361.06 is: 102,541.46
Step by Step Solution
- Step 1: Write the proportion equation
218,109.24 : 327,163.44 = 68,361.06 : x - Step 2: Convert to fraction form
218,109.24/327,163.44 = 68,361.06/x - Step 3: Cross multiply
218,109.24x = 327,163.44 × 68,361.06 - Step 4: Simplify right side
218,109.24x = 22,365,239,551.65 - Step 5: Solve for x
x = 22,365,239,551.65/218,109.24 - Step 6: Final answer
x = 102,541.46
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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.