Finding the Fourth Proportional to 198,739.26, 274,169.70 and 118,120.97
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Solution
The fourth proportional to 198,739.26, 274,169.70 and 118,120.97 is: 162,953.17
Step by Step Solution
- Step 1: Write the proportion equation
198,739.26 : 274,169.70 = 118,120.97 : x - Step 2: Convert to fraction form
198,739.26/274,169.70 = 118,120.97/x - Step 3: Cross multiply
198,739.26x = 274,169.70 × 118,120.97 - Step 4: Simplify right side
198,739.26x = 32,385,191,594.03 - Step 5: Solve for x
x = 32,385,191,594.03/198,739.26 - Step 6: Final answer
x = 162,953.17
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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.