Finding the Fourth Proportional to 211,489.37, 291,859.87 and 115,995.84
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Solution
The fourth proportional to 211,489.37, 291,859.87 and 115,995.84 is: 160,076.75
Step by Step Solution
- Step 1: Write the proportion equation
211,489.37 : 291,859.87 = 115,995.84 : x - Step 2: Convert to fraction form
211,489.37/291,859.87 = 115,995.84/x - Step 3: Cross multiply
211,489.37x = 291,859.87 × 115,995.84 - Step 4: Simplify right side
211,489.37x = 33,854,530,782.94 - Step 5: Solve for x
x = 33,854,530,782.94/211,489.37 - Step 6: Final answer
x = 160,076.75
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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.