Finding the Fourth Proportional to 199,198.26, 274,890.12 and 108,554.94
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Solution
The fourth proportional to 199,198.26, 274,890.12 and 108,554.94 is: 149,803.92
Step by Step Solution
- Step 1: Write the proportion equation
199,198.26 : 274,890.12 = 108,554.94 : x - Step 2: Convert to fraction form
199,198.26/274,890.12 = 108,554.94/x - Step 3: Cross multiply
199,198.26x = 274,890.12 × 108,554.94 - Step 4: Simplify right side
199,198.26x = 29,840,680,483.19 - Step 5: Solve for x
x = 29,840,680,483.19/199,198.26 - Step 6: Final answer
x = 149,803.92
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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.