Finding the Fourth Proportional to 202,107.70, 303,161.55 and 68,992.30
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Solution
The fourth proportional to 202,107.70, 303,161.55 and 68,992.30 is: 103,488.45
Step by Step Solution
- Step 1: Write the proportion equation
202,107.70 : 303,161.55 = 68,992.30 : x - Step 2: Convert to fraction form
202,107.70/303,161.55 = 68,992.30/x - Step 3: Cross multiply
202,107.70x = 303,161.55 × 68,992.30 - Step 4: Simplify right side
202,107.70x = 20,915,812,606.07 - Step 5: Solve for x
x = 20,915,812,606.07/202,107.70 - Step 6: Final answer
x = 103,488.45
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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.