Finding the Fourth Proportional to 491,110.96, 677,793.08 and 276,260.08
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Solution
The fourth proportional to 491,110.96, 677,793.08 and 276,260.08 is: 381,272.64
Step by Step Solution
- Step 1: Write the proportion equation
491,110.96 : 677,793.08 = 276,260.08 : x - Step 2: Convert to fraction form
491,110.96/677,793.08 = 276,260.08/x - Step 3: Cross multiply
491,110.96x = 677,793.08 × 276,260.08 - Step 4: Simplify right side
491,110.96x = 187,247,170,504.25 - Step 5: Solve for x
x = 187,247,170,504.25/491,110.96 - Step 6: Final answer
x = 381,272.64
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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.