Finding the Fourth Proportional to 211,286.44, 291,575.70 and 115,796.68
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Solution
The fourth proportional to 211,286.44, 291,575.70 and 115,796.68 is: 159,799.64
Step by Step Solution
- Step 1: Write the proportion equation
211,286.44 : 291,575.70 = 115,796.68 : x - Step 2: Convert to fraction form
211,286.44/291,575.70 = 115,796.68/x - Step 3: Cross multiply
211,286.44x = 291,575.70 × 115,796.68 - Step 4: Simplify right side
211,286.44x = 33,763,498,028.68 - Step 5: Solve for x
x = 33,763,498,028.68/211,286.44 - Step 6: Final answer
x = 159,799.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.