Finding the Fourth Proportional to 290,086.08, 400,325.69 and 162,771.09
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Solution
The fourth proportional to 290,086.08, 400,325.69 and 162,771.09 is: 224,627.97
Step by Step Solution
- Step 1: Write the proportion equation
290,086.08 : 400,325.69 = 162,771.09 : x - Step 2: Convert to fraction form
290,086.08/400,325.69 = 162,771.09/x - Step 3: Cross multiply
290,086.08x = 400,325.69 × 162,771.09 - Step 4: Simplify right side
290,086.08x = 65,161,448,102.45 - Step 5: Solve for x
x = 65,161,448,102.45/290,086.08 - Step 6: Final answer
x = 224,627.97
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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.