Finding the Fourth Proportional to 196,553.14, 271,250.85 and 107,129.14
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Solution
The fourth proportional to 196,553.14, 271,250.85 and 107,129.14 is: 147,842.31
Step by Step Solution
- Step 1: Write the proportion equation
196,553.14 : 271,250.85 = 107,129.14 : x - Step 2: Convert to fraction form
196,553.14/271,250.85 = 107,129.14/x - Step 3: Cross multiply
196,553.14x = 271,250.85 × 107,129.14 - Step 4: Simplify right side
196,553.14x = 29,058,870,284.77 - Step 5: Solve for x
x = 29,058,870,284.77/196,553.14 - Step 6: Final answer
x = 147,842.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.