Finding the Fourth Proportional to 218,201.20, 327,301.80 and 176,729.20
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Solution
The fourth proportional to 218,201.20, 327,301.80 and 176,729.20 is: 265,093.80
Step by Step Solution
- Step 1: Write the proportion equation
218,201.20 : 327,301.80 = 176,729.20 : x - Step 2: Convert to fraction form
218,201.20/327,301.80 = 176,729.20/x - Step 3: Cross multiply
218,201.20x = 327,301.80 × 176,729.20 - Step 4: Simplify right side
218,201.20x = 57,843,785,272.56 - Step 5: Solve for x
x = 57,843,785,272.56/218,201.20 - Step 6: Final answer
x = 265,093.80
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1.5x scale
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.