Finding the Fourth Proportional to 212,714.93, 293,542.85 and 115,919.66
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Solution
The fourth proportional to 212,714.93, 293,542.85 and 115,919.66 is: 159,967.09
Step by Step Solution
- Step 1: Write the proportion equation
212,714.93 : 293,542.85 = 115,919.66 : x - Step 2: Convert to fraction form
212,714.93/293,542.85 = 115,919.66/x - Step 3: Cross multiply
212,714.93x = 293,542.85 × 115,919.66 - Step 4: Simplify right side
212,714.93x = 34,027,388,391.09 - Step 5: Solve for x
x = 34,027,388,391.09/212,714.93 - Step 6: Final answer
x = 159,967.09
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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.