Finding the Fourth Proportional to 201,841.44, 278,563.08 and 111,206.70
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Solution
The fourth proportional to 201,841.44, 278,563.08 and 111,206.70 is: 153,477.31
Step by Step Solution
- Step 1: Write the proportion equation
201,841.44 : 278,563.08 = 111,206.70 : x - Step 2: Convert to fraction form
201,841.44/278,563.08 = 111,206.70/x - Step 3: Cross multiply
201,841.44x = 278,563.08 × 111,206.70 - Step 4: Simplify right side
201,841.44x = 30,978,080,868.64 - Step 5: Solve for x
x = 30,978,080,868.64/201,841.44 - Step 6: Final answer
x = 153,477.31
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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.