Finding the Fourth Proportional to 285,433.26, 393,524.49 and 245,575.18
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Solution
The fourth proportional to 285,433.26, 393,524.49 and 245,575.18 is: 338,572.48
Step by Step Solution
- Step 1: Write the proportion equation
285,433.26 : 393,524.49 = 245,575.18 : x - Step 2: Convert to fraction form
285,433.26/393,524.49 = 245,575.18/x - Step 3: Cross multiply
285,433.26x = 393,524.49 × 245,575.18 - Step 4: Simplify right side
285,433.26x = 96,639,847,466.16 - Step 5: Solve for x
x = 96,639,847,466.16/285,433.26 - Step 6: Final answer
x = 338,572.48
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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.