Finding the Fourth Proportional to 441,452.09, 609,183.05 and 245,231.21
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Solution
The fourth proportional to 441,452.09, 609,183.05 and 245,231.21 is: 338,407.49
Step by Step Solution
- Step 1: Write the proportion equation
441,452.09 : 609,183.05 = 245,231.21 : x - Step 2: Convert to fraction form
441,452.09/609,183.05 = 245,231.21/x - Step 3: Cross multiply
441,452.09x = 609,183.05 × 245,231.21 - Step 4: Simplify right side
441,452.09x = 149,390,696,759.79 - Step 5: Solve for x
x = 149,390,696,759.79/441,452.09 - Step 6: Final answer
x = 338,407.49
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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.