Finding the Fourth Proportional to 144,491.58, 199,390.36 and 80,817.08
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Solution
The fourth proportional to 144,491.58, 199,390.36 and 80,817.08 is: 111,523.08
Step by Step Solution
- Step 1: Write the proportion equation
144,491.58 : 199,390.36 = 80,817.08 : x - Step 2: Convert to fraction form
144,491.58/199,390.36 = 80,817.08/x - Step 3: Cross multiply
144,491.58x = 199,390.36 × 80,817.08 - Step 4: Simplify right side
144,491.58x = 16,114,145,678.40 - Step 5: Solve for x
x = 16,114,145,678.40/144,491.58 - Step 6: Final answer
x = 111,523.08
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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.