Finding the Fourth Proportional to 179,310.14, 268,763.36 and 78,193.28
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Solution
The fourth proportional to 179,310.14, 268,763.36 and 78,193.28 is: 117,201.90
Step by Step Solution
- Step 1: Write the proportion equation
179,310.14 : 268,763.36 = 78,193.28 : x - Step 2: Convert to fraction form
179,310.14/268,763.36 = 78,193.28/x - Step 3: Cross multiply
179,310.14x = 268,763.36 × 78,193.28 - Step 4: Simplify right side
179,310.14x = 21,015,489,602.92 - Step 5: Solve for x
x = 21,015,489,602.92/179,310.14 - Step 6: Final answer
x = 117,201.90
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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.