Finding the Fourth Proportional to 264,919.20, 397,378.80 and 96,629.55
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Solution
The fourth proportional to 264,919.20, 397,378.80 and 96,629.55 is: 144,944.33
Step by Step Solution
- Step 1: Write the proportion equation
264,919.20 : 397,378.80 = 96,629.55 : x - Step 2: Convert to fraction form
264,919.20/397,378.80 = 96,629.55/x - Step 3: Cross multiply
264,919.20x = 397,378.80 × 96,629.55 - Step 4: Simplify right side
264,919.20x = 38,398,534,623.54 - Step 5: Solve for x
x = 38,398,534,623.54/264,919.20 - Step 6: Final answer
x = 144,944.33
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1.5x scale
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.