Finding the Fourth Proportional to 126,974.36, 190,474.30 and 47,033.84
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Solution
The fourth proportional to 126,974.36, 190,474.30 and 47,033.84 is: 70,555.49
Step by Step Solution
- Step 1: Write the proportion equation
126,974.36 : 190,474.30 = 47,033.84 : x - Step 2: Convert to fraction form
126,974.36/190,474.30 = 47,033.84/x - Step 3: Cross multiply
126,974.36x = 190,474.30 × 47,033.84 - Step 4: Simplify right side
126,974.36x = 8,958,737,750.31 - Step 5: Solve for x
x = 8,958,737,750.31/126,974.36 - Step 6: Final answer
x = 70,555.49
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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.