Finding the Fourth Proportional to 188,154.99, 259,650.18 and 106,481.73
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Solution
The fourth proportional to 188,154.99, 259,650.18 and 106,481.73 is: 146,942.69
Step by Step Solution
- Step 1: Write the proportion equation
188,154.99 : 259,650.18 = 106,481.73 : x - Step 2: Convert to fraction form
188,154.99/259,650.18 = 106,481.73/x - Step 3: Cross multiply
188,154.99x = 259,650.18 × 106,481.73 - Step 4: Simplify right side
188,154.99x = 27,648,000,361.21 - Step 5: Solve for x
x = 27,648,000,361.21/188,154.99 - Step 6: Final answer
x = 146,942.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.