Finding the Fourth Proportional to 154,744.16, 213,640.11 and 101,118.92
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Solution
The fourth proportional to 154,744.16, 213,640.11 and 101,118.92 is: 139,604.99
Step by Step Solution
- Step 1: Write the proportion equation
154,744.16 : 213,640.11 = 101,118.92 : x - Step 2: Convert to fraction form
154,744.16/213,640.11 = 101,118.92/x - Step 3: Cross multiply
154,744.16x = 213,640.11 × 101,118.92 - Step 4: Simplify right side
154,744.16x = 21,603,056,123.68 - Step 5: Solve for x
x = 21,603,056,123.68/154,744.16 - Step 6: Final answer
x = 139,604.99
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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.