Finding the Fourth Proportional to 103,629.84, 155,296.44 and 44,449.68
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Solution
The fourth proportional to 103,629.84, 155,296.44 and 44,449.68 is: 66,610.90
Step by Step Solution
- Step 1: Write the proportion equation
103,629.84 : 155,296.44 = 44,449.68 : x - Step 2: Convert to fraction form
103,629.84/155,296.44 = 44,449.68/x - Step 3: Cross multiply
103,629.84x = 155,296.44 × 44,449.68 - Step 4: Simplify right side
103,629.84x = 6,902,877,063.14 - Step 5: Solve for x
x = 6,902,877,063.14/103,629.84 - Step 6: Final answer
x = 66,610.90
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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.