Finding the Fourth Proportional to 202,705.92, 279,704.43 and 115,491.87
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Solution
The fourth proportional to 202,705.92, 279,704.43 and 115,491.87 is: 159,361.84
Step by Step Solution
- Step 1: Write the proportion equation
202,705.92 : 279,704.43 = 115,491.87 : x - Step 2: Convert to fraction form
202,705.92/279,704.43 = 115,491.87/x - Step 3: Cross multiply
202,705.92x = 279,704.43 × 115,491.87 - Step 4: Simplify right side
202,705.92x = 32,303,587,667.98 - Step 5: Solve for x
x = 32,303,587,667.98/202,705.92 - Step 6: Final answer
x = 159,361.84
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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.