Finding the Fourth Proportional to 198,566.26, 274,023.54 and 107,922.23
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Solution
The fourth proportional to 198,566.26, 274,023.54 and 107,922.23 is: 148,933.82
Step by Step Solution
- Step 1: Write the proportion equation
198,566.26 : 274,023.54 = 107,922.23 : x - Step 2: Convert to fraction form
198,566.26/274,023.54 = 107,922.23/x - Step 3: Cross multiply
198,566.26x = 274,023.54 × 107,922.23 - Step 4: Simplify right side
198,566.26x = 29,573,231,509.29 - Step 5: Solve for x
x = 29,573,231,509.29/198,566.26 - Step 6: Final answer
x = 148,933.82
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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.