Finding the Fourth Proportional to 378,514.80, 567,289.80 and 201,106.80
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Solution
The fourth proportional to 378,514.80, 567,289.80 and 201,106.80 is: 301,403.90
Step by Step Solution
- Step 1: Write the proportion equation
378,514.80 : 567,289.80 = 201,106.80 : x - Step 2: Convert to fraction form
378,514.80/567,289.80 = 201,106.80/x - Step 3: Cross multiply
378,514.80x = 567,289.80 × 201,106.80 - Step 4: Simplify right side
378,514.80x = 114,085,836,350.64 - Step 5: Solve for x
x = 114,085,836,350.64/378,514.80 - Step 6: Final answer
x = 301,403.90
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1.5x scale
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.