Finding the Fourth Proportional to 226,742.97, 339,740.73 and 131,706.39
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Solution
The fourth proportional to 226,742.97, 339,740.73 and 131,706.39 is: 197,342.50
Step by Step Solution
- Step 1: Write the proportion equation
226,742.97 : 339,740.73 = 131,706.39 : x - Step 2: Convert to fraction form
226,742.97/339,740.73 = 131,706.39/x - Step 3: Cross multiply
226,742.97x = 339,740.73 × 131,706.39 - Step 4: Simplify right side
226,742.97x = 44,746,025,084.26 - Step 5: Solve for x
x = 44,746,025,084.26/226,742.97 - Step 6: Final answer
x = 197,342.50
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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.