Finding the Fourth Proportional to 197,660.35, 272,767.97 and 107,015.57
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Solution
The fourth proportional to 197,660.35, 272,767.97 and 107,015.57 is: 147,679.69
Step by Step Solution
- Step 1: Write the proportion equation
197,660.35 : 272,767.97 = 107,015.57 : x - Step 2: Convert to fraction form
197,660.35/272,767.97 = 107,015.57/x - Step 3: Cross multiply
197,660.35x = 272,767.97 × 107,015.57 - Step 4: Simplify right side
197,660.35x = 29,190,419,252.22 - Step 5: Solve for x
x = 29,190,419,252.22/197,660.35 - Step 6: Final answer
x = 147,679.69
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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.