Finding the Fourth Proportional to 371,212.48, 512,270.22 and 201,446.60
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Solution
The fourth proportional to 371,212.48, 512,270.22 and 201,446.60 is: 277,994.68
Step by Step Solution
- Step 1: Write the proportion equation
371,212.48 : 512,270.22 = 201,446.60 : x - Step 2: Convert to fraction form
371,212.48/512,270.22 = 201,446.60/x - Step 3: Cross multiply
371,212.48x = 512,270.22 × 201,446.60 - Step 4: Simplify right side
371,212.48x = 103,195,094,100.25 - Step 5: Solve for x
x = 103,195,094,100.25/371,212.48 - Step 6: Final answer
x = 277,994.68
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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.