Finding the Fourth Proportional to 111,775.58, 167,660.94 and 52,578.44
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Solution
The fourth proportional to 111,775.58, 167,660.94 and 52,578.44 is: 78,866.52
Step by Step Solution
- Step 1: Write the proportion equation
111,775.58 : 167,660.94 = 52,578.44 : x - Step 2: Convert to fraction form
111,775.58/167,660.94 = 52,578.44/x - Step 3: Cross multiply
111,775.58x = 167,660.94 × 52,578.44 - Step 4: Simplify right side
111,775.58x = 8,815,350,674.13 - Step 5: Solve for x
x = 8,815,350,674.13/111,775.58 - Step 6: Final answer
x = 78,866.52
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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.