Finding the Fourth Proportional to 211,435.44, 317,052.72 and 122,716.14
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Solution
The fourth proportional to 211,435.44, 317,052.72 and 122,716.14 is: 184,015.92
Step by Step Solution
- Step 1: Write the proportion equation
211,435.44 : 317,052.72 = 122,716.14 : x - Step 2: Convert to fraction form
211,435.44/317,052.72 = 122,716.14/x - Step 3: Cross multiply
211,435.44x = 317,052.72 × 122,716.14 - Step 4: Simplify right side
211,435.44x = 38,907,485,974.90 - Step 5: Solve for x
x = 38,907,485,974.90/211,435.44 - Step 6: Final answer
x = 184,015.92
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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.