Finding the Fourth Proportional to 299,436.26, 413,291.53 and 197,480.14
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Solution
The fourth proportional to 299,436.26, 413,291.53 and 197,480.14 is: 272,568.42
Step by Step Solution
- Step 1: Write the proportion equation
299,436.26 : 413,291.53 = 197,480.14 : x - Step 2: Convert to fraction form
299,436.26/413,291.53 = 197,480.14/x - Step 3: Cross multiply
299,436.26x = 413,291.53 × 197,480.14 - Step 4: Simplify right side
299,436.26x = 81,616,869,205.21 - Step 5: Solve for x
x = 81,616,869,205.21/299,436.26 - Step 6: Final answer
x = 272,568.42
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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.