Finding the Fourth Proportional to 224,048.78, 309,183.42 and 122,075.08
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Solution
The fourth proportional to 224,048.78, 309,183.42 and 122,075.08 is: 168,461.49
Step by Step Solution
- Step 1: Write the proportion equation
224,048.78 : 309,183.42 = 122,075.08 : x - Step 2: Convert to fraction form
224,048.78/309,183.42 = 122,075.08/x - Step 3: Cross multiply
224,048.78x = 309,183.42 × 122,075.08 - Step 4: Simplify right side
224,048.78x = 37,743,589,958.22 - Step 5: Solve for x
x = 37,743,589,958.22/224,048.78 - Step 6: Final answer
x = 168,461.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.