Finding the Fourth Proportional to 290,324.87, 435,549.53 and 100,791.26
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Solution
The fourth proportional to 290,324.87, 435,549.53 and 100,791.26 is: 151,208.49
Step by Step Solution
- Step 1: Write the proportion equation
290,324.87 : 435,549.53 = 100,791.26 : x - Step 2: Convert to fraction form
290,324.87/435,549.53 = 100,791.26/x - Step 3: Cross multiply
290,324.87x = 435,549.53 × 100,791.26 - Step 4: Simplify right side
290,324.87x = 43,899,585,417.15 - Step 5: Solve for x
x = 43,899,585,417.15/290,324.87 - Step 6: Final answer
x = 151,208.49
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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.