Finding the Fourth Proportional to 146,229.70, 201,797.63 and 79,161.70
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Solution
The fourth proportional to 146,229.70, 201,797.63 and 79,161.70 is: 109,243.49
Step by Step Solution
- Step 1: Write the proportion equation
146,229.70 : 201,797.63 = 79,161.70 : x - Step 2: Convert to fraction form
146,229.70/201,797.63 = 79,161.70/x - Step 3: Cross multiply
146,229.70x = 201,797.63 × 79,161.70 - Step 4: Simplify right side
146,229.70x = 15,974,643,446.77 - Step 5: Solve for x
x = 15,974,643,446.77/146,229.70 - Step 6: Final answer
x = 109,243.49
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1.5x scale
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.