Finding the Fourth Proportional to 132,438.99, 198,682.92 and 43,698.63
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Solution
The fourth proportional to 132,438.99, 198,682.92 and 43,698.63 is: 65,556.01
Step by Step Solution
- Step 1: Write the proportion equation
132,438.99 : 198,682.92 = 43,698.63 : x - Step 2: Convert to fraction form
132,438.99/198,682.92 = 43,698.63/x - Step 3: Cross multiply
132,438.99x = 198,682.92 × 43,698.63 - Step 4: Simplify right side
132,438.99x = 8,682,171,408.40 - Step 5: Solve for x
x = 8,682,171,408.40/132,438.99 - Step 6: Final answer
x = 65,556.01
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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.