Finding the Fourth Proportional to 256,176.12, 353,524.02 and 141,452.84
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Solution
The fourth proportional to 256,176.12, 353,524.02 and 141,452.84 is: 195,205.46
Step by Step Solution
- Step 1: Write the proportion equation
256,176.12 : 353,524.02 = 141,452.84 : x - Step 2: Convert to fraction form
256,176.12/353,524.02 = 141,452.84/x - Step 3: Cross multiply
256,176.12x = 353,524.02 × 141,452.84 - Step 4: Simplify right side
256,176.12x = 50,006,976,637.22 - Step 5: Solve for x
x = 50,006,976,637.22/256,176.12 - Step 6: Final answer
x = 195,205.46
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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.