Finding the Fourth Proportional to 60,416, 90,629.12 and 16,640
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Solution
The fourth proportional to 60,416, 90,629.12 and 16,640 is: 24,961.41
Step by Step Solution
- Step 1: Write the proportion equation
60,416 : 90,629.12 = 16,640 : x - Step 2: Convert to fraction form
60,416/90,629.12 = 16,640/x - Step 3: Cross multiply
60,416x = 90,629.12 × 16,640 - Step 4: Simplify right side
60,416x = 1,508,068,556.80 - Step 5: Solve for x
x = 1,508,068,556.80/60,416 - Step 6: Final answer
x = 24,961.41
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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.