Finding the Fourth Proportional to 198,586.33, 274,050.99 and 107,942.50
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Solution
The fourth proportional to 198,586.33, 274,050.99 and 107,942.50 is: 148,961.66
Step by Step Solution
- Step 1: Write the proportion equation
198,586.33 : 274,050.99 = 107,942.50 : x - Step 2: Convert to fraction form
198,586.33/274,050.99 = 107,942.50/x - Step 3: Cross multiply
198,586.33x = 274,050.99 × 107,942.50 - Step 4: Simplify right side
198,586.33x = 29,581,748,988.08 - Step 5: Solve for x
x = 29,581,748,988.08/198,586.33 - Step 6: Final answer
x = 148,961.66
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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.