Finding the Fourth Proportional to 146,629.19, 202,348.19 and 79,561.19
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Solution
The fourth proportional to 146,629.19, 202,348.19 and 79,561.19 is: 109,794.39
Step by Step Solution
- Step 1: Write the proportion equation
146,629.19 : 202,348.19 = 79,561.19 : x - Step 2: Convert to fraction form
146,629.19/202,348.19 = 79,561.19/x - Step 3: Cross multiply
146,629.19x = 202,348.19 × 79,561.19 - Step 4: Simplify right side
146,629.19x = 16,099,062,790.75 - Step 5: Solve for x
x = 16,099,062,790.75/146,629.19 - Step 6: Final answer
x = 109,794.39
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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.