Finding the Fourth Proportional to 411,338.97, 617,022.09 and 141,464.43
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Solution
The fourth proportional to 411,338.97, 617,022.09 and 141,464.43 is: 212,201.33
Step by Step Solution
- Step 1: Write the proportion equation
411,338.97 : 617,022.09 = 141,464.43 : x - Step 2: Convert to fraction form
411,338.97/617,022.09 = 141,464.43/x - Step 3: Cross multiply
411,338.97x = 617,022.09 × 141,464.43 - Step 4: Simplify right side
411,338.97x = 87,286,678,259.26 - Step 5: Solve for x
x = 87,286,678,259.26/411,338.97 - Step 6: Final answer
x = 212,201.33
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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.