Finding the Fourth Proportional to 201,968.97, 278,704.49 and 111,319.94
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Solution
The fourth proportional to 201,968.97, 278,704.49 and 111,319.94 is: 153,614.51
Step by Step Solution
- Step 1: Write the proportion equation
201,968.97 : 278,704.49 = 111,319.94 : x - Step 2: Convert to fraction form
201,968.97/278,704.49 = 111,319.94/x - Step 3: Cross multiply
201,968.97x = 278,704.49 × 111,319.94 - Step 4: Simplify right side
201,968.97x = 31,025,365,154.41 - Step 5: Solve for x
x = 31,025,365,154.41/201,968.97 - Step 6: Final answer
x = 153,614.51
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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.