Finding the Fourth Proportional to 227,074.20, 340,620.63 and 84,905.07
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Solution
The fourth proportional to 227,074.20, 340,620.63 and 84,905.07 is: 127,361.09
Step by Step Solution
- Step 1: Write the proportion equation
227,074.20 : 340,620.63 = 84,905.07 : x - Step 2: Convert to fraction form
227,074.20/340,620.63 = 84,905.07/x - Step 3: Cross multiply
227,074.20x = 340,620.63 × 84,905.07 - Step 4: Simplify right side
227,074.20x = 28,920,418,433.59 - Step 5: Solve for x
x = 28,920,418,433.59/227,074.20 - Step 6: Final answer
x = 127,361.09
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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.