Finding the Fourth Proportional to 196,652.97, 271,404.41 and 111,782.79
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Solution
The fourth proportional to 196,652.97, 271,404.41 and 111,782.79 is: 154,273.50
Step by Step Solution
- Step 1: Write the proportion equation
196,652.97 : 271,404.41 = 111,782.79 : x - Step 2: Convert to fraction form
196,652.97/271,404.41 = 111,782.79/x - Step 3: Cross multiply
196,652.97x = 271,404.41 × 111,782.79 - Step 4: Simplify right side
196,652.97x = 30,338,341,609.19 - Step 5: Solve for x
x = 30,338,341,609.19/196,652.97 - Step 6: Final answer
x = 154,273.50
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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.