Finding the Fourth Proportional to 202,450.68, 279,361.26 and 117,585.72
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Solution
The fourth proportional to 202,450.68, 279,361.26 and 117,585.72 is: 162,256.28
Step by Step Solution
- Step 1: Write the proportion equation
202,450.68 : 279,361.26 = 117,585.72 : x - Step 2: Convert to fraction form
202,450.68/279,361.26 = 117,585.72/x - Step 3: Cross multiply
202,450.68x = 279,361.26 × 117,585.72 - Step 4: Simplify right side
202,450.68x = 32,848,894,897.21 - Step 5: Solve for x
x = 32,848,894,897.21/202,450.68 - Step 6: Final answer
x = 162,256.28
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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.