Finding the Fourth Proportional to 378,996.24, 568,285.44 and 154,299.12
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Solution
The fourth proportional to 378,996.24, 568,285.44 and 154,299.12 is: 231,363.62
Step by Step Solution
- Step 1: Write the proportion equation
378,996.24 : 568,285.44 = 154,299.12 : x - Step 2: Convert to fraction form
378,996.24/568,285.44 = 154,299.12/x - Step 3: Cross multiply
378,996.24x = 568,285.44 × 154,299.12 - Step 4: Simplify right side
378,996.24x = 87,685,943,300.81 - Step 5: Solve for x
x = 87,685,943,300.81/378,996.24 - Step 6: Final answer
x = 231,363.62
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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.