Finding the Fourth Proportional to 297,327.11, 410,311.70 and 161,361.09
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Solution
The fourth proportional to 297,327.11, 410,311.70 and 161,361.09 is: 222,678.46
Step by Step Solution
- Step 1: Write the proportion equation
297,327.11 : 410,311.70 = 161,361.09 : x - Step 2: Convert to fraction form
297,327.11/410,311.70 = 161,361.09/x - Step 3: Cross multiply
297,327.11x = 410,311.70 × 161,361.09 - Step 4: Simplify right side
297,327.11x = 66,208,343,555.16 - Step 5: Solve for x
x = 66,208,343,555.16/297,327.11 - Step 6: Final answer
x = 222,678.46
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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.