Finding the Fourth Proportional to 218,134.40, 327,201.68 and 68,386.44
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Solution
The fourth proportional to 218,134.40, 327,201.68 and 68,386.44 is: 102,579.69
Step by Step Solution
- Step 1: Write the proportion equation
218,134.40 : 327,201.68 = 68,386.44 : x - Step 2: Convert to fraction form
218,134.40/327,201.68 = 68,386.44/x - Step 3: Cross multiply
218,134.40x = 327,201.68 × 68,386.44 - Step 4: Simplify right side
218,134.40x = 22,376,158,057.22 - Step 5: Solve for x
x = 22,376,158,057.22/218,134.40 - Step 6: Final answer
x = 102,579.69
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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.