Finding the Fourth Proportional to 281,697.84, 422,546.94 and 68,465.88
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Solution
The fourth proportional to 281,697.84, 422,546.94 and 68,465.88 is: 102,698.86
Step by Step Solution
- Step 1: Write the proportion equation
281,697.84 : 422,546.94 = 68,465.88 : x - Step 2: Convert to fraction form
281,697.84/422,546.94 = 68,465.88/x - Step 3: Cross multiply
281,697.84x = 422,546.94 × 68,465.88 - Step 4: Simplify right side
281,697.84x = 28,930,048,088.41 - Step 5: Solve for x
x = 28,930,048,088.41/281,697.84 - Step 6: Final answer
x = 102,698.86
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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.