Finding the Fourth Proportional to 245,028.11, 338,175.41 and 149,590.26
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Solution
The fourth proportional to 245,028.11, 338,175.41 and 149,590.26 is: 206,456.92
Step by Step Solution
- Step 1: Write the proportion equation
245,028.11 : 338,175.41 = 149,590.26 : x - Step 2: Convert to fraction form
245,028.11/338,175.41 = 149,590.26/x - Step 3: Cross multiply
245,028.11x = 338,175.41 × 149,590.26 - Step 4: Simplify right side
245,028.11x = 50,587,746,759.56 - Step 5: Solve for x
x = 50,587,746,759.56/245,028.11 - Step 6: Final answer
x = 206,456.92
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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.