Finding the Fourth Proportional to 272,456.09, 408,480.53 and 187,975.19
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Solution
The fourth proportional to 272,456.09, 408,480.53 and 187,975.19 is: 281,822.31
Step by Step Solution
- Step 1: Write the proportion equation
272,456.09 : 408,480.53 = 187,975.19 : x - Step 2: Convert to fraction form
272,456.09/408,480.53 = 187,975.19/x - Step 3: Cross multiply
272,456.09x = 408,480.53 × 187,975.19 - Step 4: Simplify right side
272,456.09x = 76,784,202,255.77 - Step 5: Solve for x
x = 76,784,202,255.77/272,456.09 - Step 6: Final answer
x = 281,822.31
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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.