Finding the Fourth Proportional to 290,769.66, 436,097.00 and 276,350.91
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Solution
The fourth proportional to 290,769.66, 436,097.00 and 276,350.91 is: 414,471.72
Step by Step Solution
- Step 1: Write the proportion equation
290,769.66 : 436,097.00 = 276,350.91 : x - Step 2: Convert to fraction form
290,769.66/436,097.00 = 276,350.91/x - Step 3: Cross multiply
290,769.66x = 436,097.00 × 276,350.91 - Step 4: Simplify right side
290,769.66x = 120,515,801,416.52 - Step 5: Solve for x
x = 120,515,801,416.52/290,769.66 - Step 6: Final answer
x = 414,471.72
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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.