Finding the Fourth Proportional to 208,246.44, 287,368.74 and 122,193.84
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Solution
The fourth proportional to 208,246.44, 287,368.74 and 122,193.84 is: 168,620.84
Step by Step Solution
- Step 1: Write the proportion equation
208,246.44 : 287,368.74 = 122,193.84 : x - Step 2: Convert to fraction form
208,246.44/287,368.74 = 122,193.84/x - Step 3: Cross multiply
208,246.44x = 287,368.74 × 122,193.84 - Step 4: Simplify right side
208,246.44x = 35,114,689,836.56 - Step 5: Solve for x
x = 35,114,689,836.56/208,246.44 - Step 6: Final answer
x = 168,620.84
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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.