Finding the Fourth Proportional to 373,842.66, 515,896.26 and 212,694.28
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Solution
The fourth proportional to 373,842.66, 515,896.26 and 212,694.28 is: 293,514.35
Step by Step Solution
- Step 1: Write the proportion equation
373,842.66 : 515,896.26 = 212,694.28 : x - Step 2: Convert to fraction form
373,842.66/515,896.26 = 212,694.28/x - Step 3: Cross multiply
373,842.66x = 515,896.26 × 212,694.28 - Step 4: Simplify right side
373,842.66x = 109,728,183,575.39 - Step 5: Solve for x
x = 109,728,183,575.39/373,842.66 - Step 6: Final answer
x = 293,514.35
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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.