Finding the Fourth Proportional to 180,246.42, 248,745.87 and 99,676.62
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Solution
The fourth proportional to 180,246.42, 248,745.87 and 99,676.62 is: 137,556.95
Step by Step Solution
- Step 1: Write the proportion equation
180,246.42 : 248,745.87 = 99,676.62 : x - Step 2: Convert to fraction form
180,246.42/248,745.87 = 99,676.62/x - Step 3: Cross multiply
180,246.42x = 248,745.87 × 99,676.62 - Step 4: Simplify right side
180,246.42x = 24,794,147,560.56 - Step 5: Solve for x
x = 24,794,147,560.56/180,246.42 - Step 6: Final answer
x = 137,556.95
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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.