Finding the Fourth Proportional to 198,764.12, 274,202.34 and 118,146.44
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Solution
The fourth proportional to 198,764.12, 274,202.34 and 118,146.44 is: 162,987.32
Step by Step Solution
- Step 1: Write the proportion equation
198,764.12 : 274,202.34 = 118,146.44 : x - Step 2: Convert to fraction form
198,764.12/274,202.34 = 118,146.44/x - Step 3: Cross multiply
198,764.12x = 274,202.34 × 118,146.44 - Step 4: Simplify right side
198,764.12x = 32,396,030,310.67 - Step 5: Solve for x
x = 32,396,030,310.67/198,764.12 - Step 6: Final answer
x = 162,987.32
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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.