Finding the Fourth Proportional to 201,072.20, 301,349.10 and 122,102.60
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Solution
The fourth proportional to 201,072.20, 301,349.10 and 122,102.60 is: 182,996.50
Step by Step Solution
- Step 1: Write the proportion equation
201,072.20 : 301,349.10 = 122,102.60 : x - Step 2: Convert to fraction form
201,072.20/301,349.10 = 122,102.60/x - Step 3: Cross multiply
201,072.20x = 301,349.10 × 122,102.60 - Step 4: Simplify right side
201,072.20x = 36,795,508,617.66 - Step 5: Solve for x
x = 36,795,508,617.66/201,072.20 - Step 6: Final answer
x = 182,996.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.