Finding the Fourth Proportional to 226,517.70, 339,564.33 and 76,653.07
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Solution
The fourth proportional to 226,517.70, 339,564.33 and 76,653.07 is: 114,907.79
Step by Step Solution
- Step 1: Write the proportion equation
226,517.70 : 339,564.33 = 76,653.07 : x - Step 2: Convert to fraction form
226,517.70/339,564.33 = 76,653.07/x - Step 3: Cross multiply
226,517.70x = 339,564.33 × 76,653.07 - Step 4: Simplify right side
226,517.70x = 26,028,648,356.99 - Step 5: Solve for x
x = 26,028,648,356.99/226,517.70 - Step 6: Final answer
x = 114,907.79
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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.