Finding the Fourth Proportional to 277,448.24, 382,849.26 and 161,138.99
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Solution
The fourth proportional to 277,448.24, 382,849.26 and 161,138.99 is: 222,354.78
Step by Step Solution
- Step 1: Write the proportion equation
277,448.24 : 382,849.26 = 161,138.99 : x - Step 2: Convert to fraction form
277,448.24/382,849.26 = 161,138.99/x - Step 3: Cross multiply
277,448.24x = 382,849.26 × 161,138.99 - Step 4: Simplify right side
277,448.24x = 61,691,943,078.65 - Step 5: Solve for x
x = 61,691,943,078.65/277,448.24 - Step 6: Final answer
x = 222,354.78
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1.5x scale
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.