Finding the Fourth Proportional to 281,560.06, 422,336.56 and 68,329.74
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Solution
The fourth proportional to 281,560.06, 422,336.56 and 68,329.74 is: 102,493.75
Step by Step Solution
- Step 1: Write the proportion equation
281,560.06 : 422,336.56 = 68,329.74 : x - Step 2: Convert to fraction form
281,560.06/422,336.56 = 68,329.74/x - Step 3: Cross multiply
281,560.06x = 422,336.56 × 68,329.74 - Step 4: Simplify right side
281,560.06x = 28,858,147,337.29 - Step 5: Solve for x
x = 28,858,147,337.29/281,560.06 - Step 6: Final answer
x = 102,493.75
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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.