Finding the Fourth Proportional to 170,872.60, 256,307.55 and 44,512.60
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Solution
The fourth proportional to 170,872.60, 256,307.55 and 44,512.60 is: 66,768.55
Step by Step Solution
- Step 1: Write the proportion equation
170,872.60 : 256,307.55 = 44,512.60 : x - Step 2: Convert to fraction form
170,872.60/256,307.55 = 44,512.60/x - Step 3: Cross multiply
170,872.60x = 256,307.55 × 44,512.60 - Step 4: Simplify right side
170,872.60x = 11,408,915,450.13 - Step 5: Solve for x
x = 11,408,915,450.13/170,872.60 - Step 6: Final answer
x = 66,768.55
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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.