Finding the Fourth Proportional to 200,347.97, 300,674.30 and 74,107.62
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Solution
The fourth proportional to 200,347.97, 300,674.30 and 74,107.62 is: 111,217.78
Step by Step Solution
- Step 1: Write the proportion equation
200,347.97 : 300,674.30 = 74,107.62 : x - Step 2: Convert to fraction form
200,347.97/300,674.30 = 74,107.62/x - Step 3: Cross multiply
200,347.97x = 300,674.30 × 74,107.62 - Step 4: Simplify right side
200,347.97x = 22,282,256,397.63 - Step 5: Solve for x
x = 22,282,256,397.63/200,347.97 - Step 6: Final answer
x = 111,217.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.