Finding the Fourth Proportional to 358,984.44, 538,540.70 and 119,112.75
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Solution
The fourth proportional to 358,984.44, 538,540.70 and 119,112.75 is: 178,690.37
Step by Step Solution
- Step 1: Write the proportion equation
358,984.44 : 538,540.70 = 119,112.75 : x - Step 2: Convert to fraction form
358,984.44/538,540.70 = 119,112.75/x - Step 3: Cross multiply
358,984.44x = 538,540.70 × 119,112.75 - Step 4: Simplify right side
358,984.44x = 64,147,063,168.36 - Step 5: Solve for x
x = 64,147,063,168.36/358,984.44 - Step 6: Final answer
x = 178,690.37
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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.