Finding the Fourth Proportional to 76,794.42, 115,243.50 and 26,874.96
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Solution
The fourth proportional to 76,794.42, 115,243.50 and 26,874.96 is: 40,330.59
Step by Step Solution
- Step 1: Write the proportion equation
76,794.42 : 115,243.50 = 26,874.96 : x - Step 2: Convert to fraction form
76,794.42/115,243.50 = 26,874.96/x - Step 3: Cross multiply
76,794.42x = 115,243.50 × 26,874.96 - Step 4: Simplify right side
76,794.42x = 3,097,164,121.38 - Step 5: Solve for x
x = 3,097,164,121.38/76,794.42 - Step 6: Final answer
x = 40,330.59
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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.