Finding the Fourth Proportional to 362,107.40, 543,209.70 and 125,522.60
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Solution
The fourth proportional to 362,107.40, 543,209.70 and 125,522.60 is: 188,300.75
Step by Step Solution
- Step 1: Write the proportion equation
362,107.40 : 543,209.70 = 125,522.60 : x - Step 2: Convert to fraction form
362,107.40/543,209.70 = 125,522.60/x - Step 3: Cross multiply
362,107.40x = 543,209.70 × 125,522.60 - Step 4: Simplify right side
362,107.40x = 68,185,093,889.22 - Step 5: Solve for x
x = 68,185,093,889.22/362,107.40 - Step 6: Final answer
x = 188,300.75
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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.