Finding the Fourth Proportional to 305,114.28, 457,701.75 and 113,040.09
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Solution
The fourth proportional to 305,114.28, 457,701.75 and 113,040.09 is: 169,571.37
Step by Step Solution
- Step 1: Write the proportion equation
305,114.28 : 457,701.75 = 113,040.09 : x - Step 2: Convert to fraction form
305,114.28/457,701.75 = 113,040.09/x - Step 3: Cross multiply
305,114.28x = 457,701.75 × 113,040.09 - Step 4: Simplify right side
305,114.28x = 51,738,647,013.16 - Step 5: Solve for x
x = 51,738,647,013.16/305,114.28 - Step 6: Final answer
x = 169,571.37
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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.