Finding the Fourth Proportional to 274,201.20, 411,301.80 and 207,771.08
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Solution
The fourth proportional to 274,201.20, 411,301.80 and 207,771.08 is: 311,656.61
Step by Step Solution
- Step 1: Write the proportion equation
274,201.20 : 411,301.80 = 207,771.08 : x - Step 2: Convert to fraction form
274,201.20/411,301.80 = 207,771.08/x - Step 3: Cross multiply
274,201.20x = 411,301.80 × 207,771.08 - Step 4: Simplify right side
274,201.20x = 85,456,617,135.44 - Step 5: Solve for x
x = 85,456,617,135.44/274,201.20 - Step 6: Final answer
x = 311,656.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.