Finding the Fourth Proportional to 373,636.40, 515,629.62 and 212,514.66
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Solution
The fourth proportional to 373,636.40, 515,629.62 and 212,514.66 is: 293,276.71
Step by Step Solution
- Step 1: Write the proportion equation
373,636.40 : 515,629.62 = 212,514.66 : x - Step 2: Convert to fraction form
373,636.40/515,629.62 = 212,514.66/x - Step 3: Cross multiply
373,636.40x = 515,629.62 × 212,514.66 - Step 4: Simplify right side
373,636.40x = 109,578,853,380.23 - Step 5: Solve for x
x = 109,578,853,380.23/373,636.40 - Step 6: Final answer
x = 293,276.71
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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.