Finding the Fourth Proportional to 225,960.24, 338,942.76 and 68,190.08
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Solution
The fourth proportional to 225,960.24, 338,942.76 and 68,190.08 is: 102,285.84
Step by Step Solution
- Step 1: Write the proportion equation
225,960.24 : 338,942.76 = 68,190.08 : x - Step 2: Convert to fraction form
225,960.24/338,942.76 = 68,190.08/x - Step 3: Cross multiply
225,960.24x = 338,942.76 × 68,190.08 - Step 4: Simplify right side
225,960.24x = 23,112,533,919.82 - Step 5: Solve for x
x = 23,112,533,919.82/225,960.24 - Step 6: Final answer
x = 102,285.84
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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.