Finding the Fourth Proportional to 201,916.20, 302,874.30 and 192,730.80
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Solution
The fourth proportional to 201,916.20, 302,874.30 and 192,730.80 is: 289,096.20
Step by Step Solution
- Step 1: Write the proportion equation
201,916.20 : 302,874.30 = 192,730.80 : x - Step 2: Convert to fraction form
201,916.20/302,874.30 = 192,730.80/x - Step 3: Cross multiply
201,916.20x = 302,874.30 × 192,730.80 - Step 4: Simplify right side
201,916.20x = 58,373,206,138.44 - Step 5: Solve for x
x = 58,373,206,138.44/201,916.20 - Step 6: Final answer
x = 289,096.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.