Finding the Fourth Proportional to 371,604.26, 512,811.06 and 201,839.60
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Solution
The fourth proportional to 371,604.26, 512,811.06 and 201,839.60 is: 278,537.12
Step by Step Solution
- Step 1: Write the proportion equation
371,604.26 : 512,811.06 = 201,839.60 : x - Step 2: Convert to fraction form
371,604.26/512,811.06 = 201,839.60/x - Step 3: Cross multiply
371,604.26x = 512,811.06 × 201,839.60 - Step 4: Simplify right side
371,604.26x = 103,505,579,225.98 - Step 5: Solve for x
x = 103,505,579,225.98/371,604.26 - Step 6: Final answer
x = 278,537.12
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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.