Finding the Fourth Proportional to 248,550.21, 343,003.28 and 135,372.96
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Solution
The fourth proportional to 248,550.21, 343,003.28 and 135,372.96 is: 186,816.86
Step by Step Solution
- Step 1: Write the proportion equation
248,550.21 : 343,003.28 = 135,372.96 : x - Step 2: Convert to fraction form
248,550.21/343,003.28 = 135,372.96/x - Step 3: Cross multiply
248,550.21x = 343,003.28 × 135,372.96 - Step 4: Simplify right side
248,550.21x = 46,433,368,626.44 - Step 5: Solve for x
x = 46,433,368,626.44/248,550.21 - Step 6: Final answer
x = 186,816.86
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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.