Finding the Fourth Proportional to 216,660.80, 324,357.60 and 154,452.80
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Solution
The fourth proportional to 216,660.80, 324,357.60 and 154,452.80 is: 231,227.52
Step by Step Solution
- Step 1: Write the proportion equation
216,660.80 : 324,357.60 = 154,452.80 : x - Step 2: Convert to fraction form
216,660.80/324,357.60 = 154,452.80/x - Step 3: Cross multiply
216,660.80x = 324,357.60 × 154,452.80 - Step 4: Simplify right side
216,660.80x = 50,097,939,521.28 - Step 5: Solve for x
x = 50,097,939,521.28/216,660.80 - Step 6: Final answer
x = 231,227.52
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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.