Finding the Fourth Proportional to 416,564.11, 574,860.58 and 225,578.26
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Solution
The fourth proportional to 416,564.11, 574,860.58 and 225,578.26 is: 311,299.14
Step by Step Solution
- Step 1: Write the proportion equation
416,564.11 : 574,860.58 = 225,578.26 : x - Step 2: Convert to fraction form
416,564.11/574,860.58 = 225,578.26/x - Step 3: Cross multiply
416,564.11x = 574,860.58 × 225,578.26 - Step 4: Simplify right side
416,564.11x = 129,676,049,378.99 - Step 5: Solve for x
x = 129,676,049,378.99/416,564.11 - Step 6: Final answer
x = 311,299.14
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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.