Finding the Fourth Proportional to 246,968.11, 340,815.49 and 133,791.13
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Solution
The fourth proportional to 246,968.11, 340,815.49 and 133,791.13 is: 184,631.49
Step by Step Solution
- Step 1: Write the proportion equation
246,968.11 : 340,815.49 = 133,791.13 : x - Step 2: Convert to fraction form
246,968.11/340,815.49 = 133,791.13/x - Step 3: Cross multiply
246,968.11x = 340,815.49 × 133,791.13 - Step 4: Simplify right side
246,968.11x = 45,598,089,528.60 - Step 5: Solve for x
x = 45,598,089,528.60/246,968.11 - Step 6: Final answer
x = 184,631.49
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1.5x scale
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.