Finding the Fourth Proportional to 378,309.90, 568,107.62 and 252,756.95
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Solution
The fourth proportional to 378,309.90, 568,107.62 and 252,756.95 is: 379,564.87
Step by Step Solution
- Step 1: Write the proportion equation
378,309.90 : 568,107.62 = 252,756.95 : x - Step 2: Convert to fraction form
378,309.90/568,107.62 = 252,756.95/x - Step 3: Cross multiply
378,309.90x = 568,107.62 × 252,756.95 - Step 4: Simplify right side
378,309.90x = 143,593,149,302.96 - Step 5: Solve for x
x = 143,593,149,302.96/378,309.90 - Step 6: Final answer
x = 379,564.87
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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.