Finding the Fourth Proportional to 103,447.68, 155,197.44 and 33,325.44
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Solution
The fourth proportional to 103,447.68, 155,197.44 and 33,325.44 is: 49,996.51
Step by Step Solution
- Step 1: Write the proportion equation
103,447.68 : 155,197.44 = 33,325.44 : x - Step 2: Convert to fraction form
103,447.68/155,197.44 = 33,325.44/x - Step 3: Cross multiply
103,447.68x = 155,197.44 × 33,325.44 - Step 4: Simplify right side
103,447.68x = 5,172,022,974.87 - Step 5: Solve for x
x = 5,172,022,974.87/103,447.68 - Step 6: Final answer
x = 49,996.51
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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.