Finding the Fourth Proportional to 373,190.14, 515,016.39 and 212,072.62
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Solution
The fourth proportional to 373,190.14, 515,016.39 and 212,072.62 is: 292,668.17
Step by Step Solution
- Step 1: Write the proportion equation
373,190.14 : 515,016.39 = 212,072.62 : x - Step 2: Convert to fraction form
373,190.14/515,016.39 = 212,072.62/x - Step 3: Cross multiply
373,190.14x = 515,016.39 × 212,072.62 - Step 4: Simplify right side
373,190.14x = 109,220,875,170.24 - Step 5: Solve for x
x = 109,220,875,170.24/373,190.14 - Step 6: Final answer
x = 292,668.17
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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.