Finding the Fourth Proportional to 371,540.36, 512,729.46 and 201,777.80
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Solution
The fourth proportional to 371,540.36, 512,729.46 and 201,777.80 is: 278,455.41
Step by Step Solution
- Step 1: Write the proportion equation
371,540.36 : 512,729.46 = 201,777.80 : x - Step 2: Convert to fraction form
371,540.36/512,729.46 = 201,777.80/x - Step 3: Cross multiply
371,540.36x = 512,729.46 × 201,777.80 - Step 4: Simplify right side
371,540.36x = 103,457,422,433.99 - Step 5: Solve for x
x = 103,457,422,433.99/371,540.36 - Step 6: Final answer
x = 278,455.41
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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.