Finding the Fourth Proportional to 103,441.28, 155,161.69 and 27,539.84
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Solution
The fourth proportional to 103,441.28, 155,161.69 and 27,539.84 is: 41,309.70
Step by Step Solution
- Step 1: Write the proportion equation
103,441.28 : 155,161.69 = 27,539.84 : x - Step 2: Convert to fraction form
103,441.28/155,161.69 = 27,539.84/x - Step 3: Cross multiply
103,441.28x = 155,161.69 × 27,539.84 - Step 4: Simplify right side
103,441.28x = 4,273,127,979.03 - Step 5: Solve for x
x = 4,273,127,979.03/103,441.28 - Step 6: Final answer
x = 41,309.70
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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.