Finding the Fourth Proportional to 208,962.26, 288,367.92 and 119,538.26
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Solution
The fourth proportional to 208,962.26, 288,367.92 and 119,538.26 is: 164,962.80
Step by Step Solution
- Step 1: Write the proportion equation
208,962.26 : 288,367.92 = 119,538.26 : x - Step 2: Convert to fraction form
208,962.26/288,367.92 = 119,538.26/x - Step 3: Cross multiply
208,962.26x = 288,367.92 × 119,538.26 - Step 4: Simplify right side
208,962.26x = 34,470,999,396.62 - Step 5: Solve for x
x = 34,470,999,396.62/208,962.26 - Step 6: Final answer
x = 164,962.80
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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.