Finding the Fourth Proportional to 284,862.77, 427,504.09 and 135,103.49
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Solution
The fourth proportional to 284,862.77, 427,504.09 and 135,103.49 is: 202,754.80
Step by Step Solution
- Step 1: Write the proportion equation
284,862.77 : 427,504.09 = 135,103.49 : x - Step 2: Convert to fraction form
284,862.77/427,504.09 = 135,103.49/x - Step 3: Cross multiply
284,862.77x = 427,504.09 × 135,103.49 - Step 4: Simplify right side
284,862.77x = 57,757,294,548.27 - Step 5: Solve for x
x = 57,757,294,548.27/284,862.77 - Step 6: Final answer
x = 202,754.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.