Finding the Fourth Proportional to 378,756.39, 568,135.23 and 303,334.62
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Solution
The fourth proportional to 378,756.39, 568,135.23 and 303,334.62 is: 455,002.45
Step by Step Solution
- Step 1: Write the proportion equation
378,756.39 : 568,135.23 = 303,334.62 : x - Step 2: Convert to fraction form
378,756.39/568,135.23 = 303,334.62/x - Step 3: Cross multiply
378,756.39x = 568,135.23 × 303,334.62 - Step 4: Simplify right side
378,756.39x = 172,335,082,583.99 - Step 5: Solve for x
x = 172,335,082,583.99/378,756.39 - Step 6: Final answer
x = 455,002.45
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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.