Finding the Fourth Proportional to 188,809.26, 283,214.63 and 76,491.60
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Solution
The fourth proportional to 188,809.26, 283,214.63 and 76,491.60 is: 114,737.70
Step by Step Solution
- Step 1: Write the proportion equation
188,809.26 : 283,214.63 = 76,491.60 : x - Step 2: Convert to fraction form
188,809.26/283,214.63 = 76,491.60/x - Step 3: Cross multiply
188,809.26x = 283,214.63 × 76,491.60 - Step 4: Simplify right side
188,809.26x = 21,663,540,192.11 - Step 5: Solve for x
x = 21,663,540,192.11/188,809.26 - Step 6: Final answer
x = 114,737.70
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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.