Finding the Fourth Proportional to 363,629.12, 545,106.92 and 185,743.80
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Solution
The fourth proportional to 363,629.12, 545,106.92 and 185,743.80 is: 278,443.68
Step by Step Solution
- Step 1: Write the proportion equation
363,629.12 : 545,106.92 = 185,743.80 : x - Step 2: Convert to fraction form
363,629.12/545,106.92 = 185,743.80/x - Step 3: Cross multiply
363,629.12x = 545,106.92 × 185,743.80 - Step 4: Simplify right side
363,629.12x = 101,250,229,798.38 - Step 5: Solve for x
x = 101,250,229,798.38/363,629.12 - Step 6: Final answer
x = 278,443.68
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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.