Finding the Fourth Proportional to 201,997.35, 278,935.74 and 125,647.29
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Solution
The fourth proportional to 201,997.35, 278,935.74 and 125,647.29 is: 173,504.85
Step by Step Solution
- Step 1: Write the proportion equation
201,997.35 : 278,935.74 = 125,647.29 : x - Step 2: Convert to fraction form
201,997.35/278,935.74 = 125,647.29/x - Step 3: Cross multiply
201,997.35x = 278,935.74 × 125,647.29 - Step 4: Simplify right side
201,997.35x = 35,047,519,815.14 - Step 5: Solve for x
x = 35,047,519,815.14/201,997.35 - Step 6: Final answer
x = 173,504.85
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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.