Finding the Fourth Proportional to 211,241.80, 291,512.82 and 115,754.44
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Solution
The fourth proportional to 211,241.80, 291,512.82 and 115,754.44 is: 159,740.65
Step by Step Solution
- Step 1: Write the proportion equation
211,241.80 : 291,512.82 = 115,754.44 : x - Step 2: Convert to fraction form
211,241.80/291,512.82 = 115,754.44/x - Step 3: Cross multiply
211,241.80x = 291,512.82 × 115,754.44 - Step 4: Simplify right side
211,241.80x = 33,743,903,231.92 - Step 5: Solve for x
x = 33,743,903,231.92/211,241.80 - Step 6: Final answer
x = 159,740.65
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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.