Finding the Fourth Proportional to 201,983.36, 278,735.46 and 110,102.42
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Solution
The fourth proportional to 201,983.36, 278,735.46 and 110,102.42 is: 151,940.48
Step by Step Solution
- Step 1: Write the proportion equation
201,983.36 : 278,735.46 = 110,102.42 : x - Step 2: Convert to fraction form
201,983.36/278,735.46 = 110,102.42/x - Step 3: Cross multiply
201,983.36x = 278,735.46 × 110,102.42 - Step 4: Simplify right side
201,983.36x = 30,689,448,685.81 - Step 5: Solve for x
x = 30,689,448,685.81/201,983.36 - Step 6: Final answer
x = 151,940.48
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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.