Finding the Fourth Proportional to 204,201.40, 305,864.70 and 133,342.60
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Solution
The fourth proportional to 204,201.40, 305,864.70 and 133,342.60 is: 199,728.28
Step by Step Solution
- Step 1: Write the proportion equation
204,201.40 : 305,864.70 = 133,342.60 : x - Step 2: Convert to fraction form
204,201.40/305,864.70 = 133,342.60/x - Step 3: Cross multiply
204,201.40x = 305,864.70 × 133,342.60 - Step 4: Simplify right side
204,201.40x = 40,784,794,346.22 - Step 5: Solve for x
x = 40,784,794,346.22/204,201.40 - Step 6: Final answer
x = 199,728.28
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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.