Finding the Fourth Proportional to 76,794.26, 115,243.29 and 26,874.79
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Solution
The fourth proportional to 76,794.26, 115,243.29 and 26,874.79 is: 40,330.34
Step by Step Solution
- Step 1: Write the proportion equation
76,794.26 : 115,243.29 = 26,874.79 : x - Step 2: Convert to fraction form
76,794.26/115,243.29 = 26,874.79/x - Step 3: Cross multiply
76,794.26x = 115,243.29 × 26,874.79 - Step 4: Simplify right side
76,794.26x = 3,097,138,929.55 - Step 5: Solve for x
x = 3,097,138,929.55/76,794.26 - Step 6: Final answer
x = 40,330.34
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1.5x scale
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.