Finding the Fourth Proportional to 198,644.24, 274,134.42 and 108,006.29
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Solution
The fourth proportional to 198,644.24, 274,134.42 and 108,006.29 is: 149,051.60
Step by Step Solution
- Step 1: Write the proportion equation
198,644.24 : 274,134.42 = 108,006.29 : x - Step 2: Convert to fraction form
198,644.24/274,134.42 = 108,006.29/x - Step 3: Cross multiply
198,644.24x = 274,134.42 × 108,006.29 - Step 4: Simplify right side
198,644.24x = 29,608,240,294.83 - Step 5: Solve for x
x = 29,608,240,294.83/198,644.24 - Step 6: Final answer
x = 149,051.60
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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.