Finding the Fourth Proportional to 201,614.07, 278,225.26 and 110,968.09
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Solution
The fourth proportional to 201,614.07, 278,225.26 and 110,968.09 is: 153,134.78
Step by Step Solution
- Step 1: Write the proportion equation
201,614.07 : 278,225.26 = 110,968.09 : x - Step 2: Convert to fraction form
201,614.07/278,225.26 = 110,968.09/x - Step 3: Cross multiply
201,614.07x = 278,225.26 × 110,968.09 - Step 4: Simplify right side
201,614.07x = 30,874,125,691.95 - Step 5: Solve for x
x = 30,874,125,691.95/201,614.07 - Step 6: Final answer
x = 153,134.78
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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.