Finding the Fourth Proportional to 127,277.70, 190,916.55 and 44,171.70
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Solution
The fourth proportional to 127,277.70, 190,916.55 and 44,171.70 is: 66,257.55
Step by Step Solution
- Step 1: Write the proportion equation
127,277.70 : 190,916.55 = 44,171.70 : x - Step 2: Convert to fraction form
127,277.70/190,916.55 = 44,171.70/x - Step 3: Cross multiply
127,277.70x = 190,916.55 × 44,171.70 - Step 4: Simplify right side
127,277.70x = 8,433,108,571.64 - Step 5: Solve for x
x = 8,433,108,571.64/127,277.70 - Step 6: Final answer
x = 66,257.55
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1.5x scale
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.