Finding the Fourth Proportional to 202,351.97, 279,238.39 and 111,705.99
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Solution
The fourth proportional to 202,351.97, 279,238.39 and 111,705.99 is: 154,150.21
Step by Step Solution
- Step 1: Write the proportion equation
202,351.97 : 279,238.39 = 111,705.99 : x - Step 2: Convert to fraction form
202,351.97/279,238.39 = 111,705.99/x - Step 3: Cross multiply
202,351.97x = 279,238.39 × 111,705.99 - Step 4: Simplify right side
202,351.97x = 31,192,599,474.55 - Step 5: Solve for x
x = 31,192,599,474.55/202,351.97 - Step 6: Final answer
x = 154,150.21
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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.