Finding the Fourth Proportional to 231,816.53, 347,724.80 and 126,578.09
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Solution
The fourth proportional to 231,816.53, 347,724.80 and 126,578.09 is: 189,867.14
Step by Step Solution
- Step 1: Write the proportion equation
231,816.53 : 347,724.80 = 126,578.09 : x - Step 2: Convert to fraction form
231,816.53/347,724.80 = 126,578.09/x - Step 3: Cross multiply
231,816.53x = 347,724.80 × 126,578.09 - Step 4: Simplify right side
231,816.53x = 44,014,341,029.63 - Step 5: Solve for x
x = 44,014,341,029.63/231,816.53 - Step 6: Final answer
x = 189,867.14
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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.