Finding the Fourth Proportional to 538,906.11, 743,680.08 and 297,211.02
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Solution
The fourth proportional to 538,906.11, 743,680.08 and 297,211.02 is: 410,145.50
Step by Step Solution
- Step 1: Write the proportion equation
538,906.11 : 743,680.08 = 297,211.02 : x - Step 2: Convert to fraction form
538,906.11/743,680.08 = 297,211.02/x - Step 3: Cross multiply
538,906.11x = 743,680.08 × 297,211.02 - Step 4: Simplify right side
538,906.11x = 221,029,915,130.48 - Step 5: Solve for x
x = 221,029,915,130.48/538,906.11 - Step 6: Final answer
x = 410,145.50
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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.