Finding the Fourth Proportional to 190,912.14, 263,462.01 and 104,874.75
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Solution
The fourth proportional to 190,912.14, 263,462.01 and 104,874.75 is: 144,728.94
Step by Step Solution
- Step 1: Write the proportion equation
190,912.14 : 263,462.01 = 104,874.75 : x - Step 2: Convert to fraction form
190,912.14/263,462.01 = 104,874.75/x - Step 3: Cross multiply
190,912.14x = 263,462.01 × 104,874.75 - Step 4: Simplify right side
190,912.14x = 27,630,512,433.25 - Step 5: Solve for x
x = 27,630,512,433.25/190,912.14 - Step 6: Final answer
x = 144,728.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.