Finding the Fourth Proportional to 126,296.97, 174,277.41 and 69,704.70
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Solution
The fourth proportional to 126,296.97, 174,277.41 and 69,704.70 is: 96,185.64
Step by Step Solution
- Step 1: Write the proportion equation
126,296.97 : 174,277.41 = 69,704.70 : x - Step 2: Convert to fraction form
126,296.97/174,277.41 = 69,704.70/x - Step 3: Cross multiply
126,296.97x = 174,277.41 × 69,704.70 - Step 4: Simplify right side
126,296.97x = 12,147,954,580.83 - Step 5: Solve for x
x = 12,147,954,580.83/126,296.97 - Step 6: Final answer
x = 96,185.64
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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.