Finding the Fourth Proportional to 225,155.87, 338,120.18 and 199,912.43
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Solution
The fourth proportional to 225,155.87, 338,120.18 and 199,912.43 is: 300,211.70
Step by Step Solution
- Step 1: Write the proportion equation
225,155.87 : 338,120.18 = 199,912.43 : x - Step 2: Convert to fraction form
225,155.87/338,120.18 = 199,912.43/x - Step 3: Cross multiply
225,155.87x = 338,120.18 × 199,912.43 - Step 4: Simplify right side
225,155.87x = 67,594,426,815.84 - Step 5: Solve for x
x = 67,594,426,815.84/225,155.87 - Step 6: Final answer
x = 300,211.70
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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.