Finding the Fourth Proportional to 188,236.98, 259,768.50 and 107,659.68
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Solution
The fourth proportional to 188,236.98, 259,768.50 and 107,659.68 is: 148,571.20
Step by Step Solution
- Step 1: Write the proportion equation
188,236.98 : 259,768.50 = 107,659.68 : x - Step 2: Convert to fraction form
188,236.98/259,768.50 = 107,659.68/x - Step 3: Cross multiply
188,236.98x = 259,768.50 × 107,659.68 - Step 4: Simplify right side
188,236.98x = 27,966,593,584.08 - Step 5: Solve for x
x = 27,966,593,584.08/188,236.98 - Step 6: Final answer
x = 148,571.20
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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.