Finding the Fourth Proportional to 491,246.26, 677,915.05 and 273,451.48
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Solution
The fourth proportional to 491,246.26, 677,915.05 and 273,451.48 is: 377,360.38
Step by Step Solution
- Step 1: Write the proportion equation
491,246.26 : 677,915.05 = 273,451.48 : x - Step 2: Convert to fraction form
491,246.26/677,915.05 = 273,451.48/x - Step 3: Cross multiply
491,246.26x = 677,915.05 × 273,451.48 - Step 4: Simplify right side
491,246.26x = 185,376,873,736.77 - Step 5: Solve for x
x = 185,376,873,736.77/491,246.26 - Step 6: Final answer
x = 377,360.38
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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.