Finding the Fourth Proportional to 178,968.07, 246,976.05 and 98,396.97
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Solution
The fourth proportional to 178,968.07, 246,976.05 and 98,396.97 is: 135,787.88
Step by Step Solution
- Step 1: Write the proportion equation
178,968.07 : 246,976.05 = 98,396.97 : x - Step 2: Convert to fraction form
178,968.07/246,976.05 = 98,396.97/x - Step 3: Cross multiply
178,968.07x = 246,976.05 × 98,396.97 - Step 4: Simplify right side
178,968.07x = 24,301,694,982.57 - Step 5: Solve for x
x = 24,301,694,982.57/178,968.07 - Step 6: Final answer
x = 135,787.88
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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.