Finding the Fourth Proportional to 211,025.24, 291,215.68 and 115,540.82
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Solution
The fourth proportional to 211,025.24, 291,215.68 and 115,540.82 is: 159,446.79
Step by Step Solution
- Step 1: Write the proportion equation
211,025.24 : 291,215.68 = 115,540.82 : x - Step 2: Convert to fraction form
211,025.24/291,215.68 = 115,540.82/x - Step 3: Cross multiply
211,025.24x = 291,215.68 × 115,540.82 - Step 4: Simplify right side
211,025.24x = 33,647,296,719.13 - Step 5: Solve for x
x = 33,647,296,719.13/211,025.24 - Step 6: Final answer
x = 159,446.79
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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.