Finding the Fourth Proportional to 371,760.88, 513,034.68 and 201,997.84
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Solution
The fourth proportional to 371,760.88, 513,034.68 and 201,997.84 is: 278,759.55
Step by Step Solution
- Step 1: Write the proportion equation
371,760.88 : 513,034.68 = 201,997.84 : x - Step 2: Convert to fraction form
371,760.88/513,034.68 = 201,997.84/x - Step 3: Cross multiply
371,760.88x = 513,034.68 × 201,997.84 - Step 4: Simplify right side
371,760.88x = 103,631,897,205.09 - Step 5: Solve for x
x = 103,631,897,205.09/371,760.88 - Step 6: Final answer
x = 278,759.55
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1.5x scale
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.