Finding the Fourth Proportional to 198,934.02, 274,528.17 and 108,295.02
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Solution
The fourth proportional to 198,934.02, 274,528.17 and 108,295.02 is: 149,446.70
Step by Step Solution
- Step 1: Write the proportion equation
198,934.02 : 274,528.17 = 108,295.02 : x - Step 2: Convert to fraction form
198,934.02/274,528.17 = 108,295.02/x - Step 3: Cross multiply
198,934.02x = 274,528.17 × 108,295.02 - Step 4: Simplify right side
198,934.02x = 29,730,033,660.71 - Step 5: Solve for x
x = 29,730,033,660.71/198,934.02 - Step 6: Final answer
x = 149,446.70
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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.