Finding the Fourth Proportional to 274,524.36, 378,577.45 and 214,072.95
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Solution
The fourth proportional to 274,524.36, 378,577.45 and 214,072.95 is: 295,213.11
Step by Step Solution
- Step 1: Write the proportion equation
274,524.36 : 378,577.45 = 214,072.95 : x - Step 2: Convert to fraction form
274,524.36/378,577.45 = 214,072.95/x - Step 3: Cross multiply
274,524.36x = 378,577.45 × 214,072.95 - Step 4: Simplify right side
274,524.36x = 81,043,189,632.09 - Step 5: Solve for x
x = 81,043,189,632.09/274,524.36 - Step 6: Final answer
x = 295,213.11
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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.