Finding the Fourth Proportional to 132,950.40, 199,231.20 and 113,121.60
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Solution
The fourth proportional to 132,950.40, 199,231.20 and 113,121.60 is: 169,516.99
Step by Step Solution
- Step 1: Write the proportion equation
132,950.40 : 199,231.20 = 113,121.60 : x - Step 2: Convert to fraction form
132,950.40/199,231.20 = 113,121.60/x - Step 3: Cross multiply
132,950.40x = 199,231.20 × 113,121.60 - Step 4: Simplify right side
132,950.40x = 22,537,352,113.92 - Step 5: Solve for x
x = 22,537,352,113.92/132,950.40 - Step 6: Final answer
x = 169,516.99
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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.