Finding the Fourth Proportional to 105,912.97, 158,869.35 and 27,027.19
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Solution
The fourth proportional to 105,912.97, 158,869.35 and 27,027.19 is: 40,540.77
Step by Step Solution
- Step 1: Write the proportion equation
105,912.97 : 158,869.35 = 27,027.19 : x - Step 2: Convert to fraction form
105,912.97/158,869.35 = 27,027.19/x - Step 3: Cross multiply
105,912.97x = 158,869.35 × 27,027.19 - Step 4: Simplify right side
105,912.97x = 4,293,792,753.03 - Step 5: Solve for x
x = 4,293,792,753.03/105,912.97 - Step 6: Final answer
x = 40,540.77
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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.