Finding the Fourth Proportional to 143,093.92, 214,553.36 and 68,236.96
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Solution
The fourth proportional to 143,093.92, 214,553.36 and 68,236.96 is: 102,313.70
Step by Step Solution
- Step 1: Write the proportion equation
143,093.92 : 214,553.36 = 68,236.96 : x - Step 2: Convert to fraction form
143,093.92/214,553.36 = 68,236.96/x - Step 3: Cross multiply
143,093.92x = 214,553.36 × 68,236.96 - Step 4: Simplify right side
143,093.92x = 14,640,469,044.19 - Step 5: Solve for x
x = 14,640,469,044.19/143,093.92 - Step 6: Final answer
x = 102,313.70
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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.