Finding the Fourth Proportional to 188,327.67, 259,828.83 and 106,644.75
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Solution
The fourth proportional to 188,327.67, 259,828.83 and 106,644.75 is: 147,133.88
Step by Step Solution
- Step 1: Write the proportion equation
188,327.67 : 259,828.83 = 106,644.75 : x - Step 2: Convert to fraction form
188,327.67/259,828.83 = 106,644.75/x - Step 3: Cross multiply
188,327.67x = 259,828.83 × 106,644.75 - Step 4: Simplify right side
188,327.67x = 27,709,380,618.14 - Step 5: Solve for x
x = 27,709,380,618.14/188,327.67 - Step 6: Final answer
x = 147,133.88
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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.