Finding the Fourth Proportional to 208,860.80, 288,229.36 and 113,367.48
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Solution
The fourth proportional to 208,860.80, 288,229.36 and 113,367.48 is: 156,447.91
Step by Step Solution
- Step 1: Write the proportion equation
208,860.80 : 288,229.36 = 113,367.48 : x - Step 2: Convert to fraction form
208,860.80/288,229.36 = 113,367.48/x - Step 3: Cross multiply
208,860.80x = 288,229.36 × 113,367.48 - Step 4: Simplify right side
208,860.80x = 32,675,836,205.21 - Step 5: Solve for x
x = 32,675,836,205.21/208,860.80 - Step 6: Final answer
x = 156,447.91
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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.