Finding the Fourth Proportional to 538,568.62, 743,180.98 and 312,228.70
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Solution
The fourth proportional to 538,568.62, 743,180.98 and 312,228.70 is: 430,850.26
Step by Step Solution
- Step 1: Write the proportion equation
538,568.62 : 743,180.98 = 312,228.70 : x - Step 2: Convert to fraction form
538,568.62/743,180.98 = 312,228.70/x - Step 3: Cross multiply
538,568.62x = 743,180.98 × 312,228.70 - Step 4: Simplify right side
538,568.62x = 232,042,431,250.13 - Step 5: Solve for x
x = 232,042,431,250.13/538,568.62 - Step 6: Final answer
x = 430,850.26
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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.