Finding the Fourth Proportional to 371,247.18, 512,321.40 and 201,481.26
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Solution
The fourth proportional to 371,247.18, 512,321.40 and 201,481.26 is: 278,044.30
Step by Step Solution
- Step 1: Write the proportion equation
371,247.18 : 512,321.40 = 201,481.26 : x - Step 2: Convert to fraction form
371,247.18/512,321.40 = 201,481.26/x - Step 3: Cross multiply
371,247.18x = 512,321.40 × 201,481.26 - Step 4: Simplify right side
371,247.18x = 103,223,161,196.96 - Step 5: Solve for x
x = 103,223,161,196.96/371,247.18 - Step 6: Final answer
x = 278,044.30
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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.