Finding the Fourth Proportional to 282,028.36, 422,832.12 and 169,682.26
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Solution
The fourth proportional to 282,028.36, 422,832.12 and 169,682.26 is: 254,396.79
Step by Step Solution
- Step 1: Write the proportion equation
282,028.36 : 422,832.12 = 169,682.26 : x - Step 2: Convert to fraction form
282,028.36/422,832.12 = 169,682.26/x - Step 3: Cross multiply
282,028.36x = 422,832.12 × 169,682.26 - Step 4: Simplify right side
282,028.36x = 71,747,109,722.19 - Step 5: Solve for x
x = 71,747,109,722.19/282,028.36 - Step 6: Final answer
x = 254,396.79
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1.5x scale
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.