Finding the Fourth Proportional to 269,698.75, 372,324.20 and 197,020.05
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Solution
The fourth proportional to 269,698.75, 372,324.20 and 197,020.05 is: 271,989.88
Step by Step Solution
- Step 1: Write the proportion equation
269,698.75 : 372,324.20 = 197,020.05 : x - Step 2: Convert to fraction form
269,698.75/372,324.20 = 197,020.05/x - Step 3: Cross multiply
269,698.75x = 372,324.20 × 197,020.05 - Step 4: Simplify right side
269,698.75x = 73,355,330,118.89 - Step 5: Solve for x
x = 73,355,330,118.89/269,698.75 - Step 6: Final answer
x = 271,989.88
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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.