Finding the Fourth Proportional to 201,570.22, 278,168.99 and 115,527.34
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Solution
The fourth proportional to 201,570.22, 278,168.99 and 115,527.34 is: 159,428.92
Step by Step Solution
- Step 1: Write the proportion equation
201,570.22 : 278,168.99 = 115,527.34 : x - Step 2: Convert to fraction form
201,570.22/278,168.99 = 115,527.34/x - Step 3: Cross multiply
201,570.22x = 278,168.99 × 115,527.34 - Step 4: Simplify right side
201,570.22x = 32,136,122,212.13 - Step 5: Solve for x
x = 32,136,122,212.13/201,570.22 - Step 6: Final answer
x = 159,428.92
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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.