Finding the Fourth Proportional to 336,840.42, 505,260.65 and 269,055.09
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Solution
The fourth proportional to 336,840.42, 505,260.65 and 269,055.09 is: 403,582.65
Step by Step Solution
- Step 1: Write the proportion equation
336,840.42 : 505,260.65 = 269,055.09 : x - Step 2: Convert to fraction form
336,840.42/505,260.65 = 269,055.09/x - Step 3: Cross multiply
336,840.42x = 505,260.65 × 269,055.09 - Step 4: Simplify right side
336,840.42x = 135,942,949,659.21 - Step 5: Solve for x
x = 135,942,949,659.21/336,840.42 - Step 6: Final answer
x = 403,582.65
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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.