Finding the Fourth Proportional to 196,756.19, 271,563.89 and 125,122.37
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Solution
The fourth proportional to 196,756.19, 271,563.89 and 125,122.37 is: 172,694.53
Step by Step Solution
- Step 1: Write the proportion equation
196,756.19 : 271,563.89 = 125,122.37 : x - Step 2: Convert to fraction form
196,756.19/271,563.89 = 125,122.37/x - Step 3: Cross multiply
196,756.19x = 271,563.89 × 125,122.37 - Step 4: Simplify right side
196,756.19x = 33,978,717,771.15 - Step 5: Solve for x
x = 33,978,717,771.15/196,756.19 - Step 6: Final answer
x = 172,694.53
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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.