Finding the Fourth Proportional to 211,571.36, 291,958.80 and 116,076.08
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Solution
The fourth proportional to 211,571.36, 291,958.80 and 116,076.08 is: 160,179.68
Step by Step Solution
- Step 1: Write the proportion equation
211,571.36 : 291,958.80 = 116,076.08 : x - Step 2: Convert to fraction form
211,571.36/291,958.80 = 116,076.08/x - Step 3: Cross multiply
211,571.36x = 291,958.80 × 116,076.08 - Step 4: Simplify right side
211,571.36x = 33,889,433,025.50 - Step 5: Solve for x
x = 33,889,433,025.50/211,571.36 - Step 6: Final answer
x = 160,179.68
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1.5x scale
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.