Finding the Fourth Proportional to 371,286.54, 512,369.01 and 201,517.02
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Solution
The fourth proportional to 371,286.54, 512,369.01 and 201,517.02 is: 278,090.01
Step by Step Solution
- Step 1: Write the proportion equation
371,286.54 : 512,369.01 = 201,517.02 : x - Step 2: Convert to fraction form
371,286.54/512,369.01 = 201,517.02/x - Step 3: Cross multiply
371,286.54x = 512,369.01 × 201,517.02 - Step 4: Simplify right side
371,286.54x = 103,251,076,035.55 - Step 5: Solve for x
x = 103,251,076,035.55/371,286.54 - Step 6: Final answer
x = 278,090.01
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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.