Finding the Fourth Proportional to 196,763.70, 271,574.25 and 125,129.88
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Solution
The fourth proportional to 196,763.70, 271,574.25 and 125,129.88 is: 172,704.89
Step by Step Solution
- Step 1: Write the proportion equation
196,763.70 : 271,574.25 = 125,129.88 : x - Step 2: Convert to fraction form
196,763.70/271,574.25 = 125,129.88/x - Step 3: Cross multiply
196,763.70x = 271,574.25 × 125,129.88 - Step 4: Simplify right side
196,763.70x = 33,982,053,313.59 - Step 5: Solve for x
x = 33,982,053,313.59/196,763.70 - Step 6: Final answer
x = 172,704.89
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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.