Finding the Fourth Proportional to 263,450.27, 395,216.57 and 85,915.99
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Solution
The fourth proportional to 263,450.27, 395,216.57 and 85,915.99 is: 128,887.41
Step by Step Solution
- Step 1: Write the proportion equation
263,450.27 : 395,216.57 = 85,915.99 : x - Step 2: Convert to fraction form
263,450.27/395,216.57 = 85,915.99/x - Step 3: Cross multiply
263,450.27x = 395,216.57 × 85,915.99 - Step 4: Simplify right side
263,450.27x = 33,955,423,101.49 - Step 5: Solve for x
x = 33,955,423,101.49/263,450.27 - Step 6: Final answer
x = 128,887.41
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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.