Finding the Fourth Proportional to 416,288.97, 574,477.79 and 225,302.49
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Solution
The fourth proportional to 416,288.97, 574,477.79 and 225,302.49 is: 310,916.90
Step by Step Solution
- Step 1: Write the proportion equation
416,288.97 : 574,477.79 = 225,302.49 : x - Step 2: Convert to fraction form
416,288.97/574,477.79 = 225,302.49/x - Step 3: Cross multiply
416,288.97x = 574,477.79 × 225,302.49 - Step 4: Simplify right side
416,288.97x = 129,431,275,410.19 - Step 5: Solve for x
x = 129,431,275,410.19/416,288.97 - Step 6: Final answer
x = 310,916.90
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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.