Finding the Fourth Proportional to 251,470.44, 347,022.27 and 138,293.19
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Solution
The fourth proportional to 251,470.44, 347,022.27 and 138,293.19 is: 190,840.79
Step by Step Solution
- Step 1: Write the proportion equation
251,470.44 : 347,022.27 = 138,293.19 : x - Step 2: Convert to fraction form
251,470.44/347,022.27 = 138,293.19/x - Step 3: Cross multiply
251,470.44x = 347,022.27 × 138,293.19 - Step 4: Simplify right side
251,470.44x = 47,990,816,719.34 - Step 5: Solve for x
x = 47,990,816,719.34/251,470.44 - Step 6: Final answer
x = 190,840.79
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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.