Finding the Fourth Proportional to 127,299.13, 190,948.70 and 44,193.13
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Solution
The fourth proportional to 127,299.13, 190,948.70 and 44,193.13 is: 66,289.70
Step by Step Solution
- Step 1: Write the proportion equation
127,299.13 : 190,948.70 = 44,193.13 : x - Step 2: Convert to fraction form
127,299.13/190,948.70 = 44,193.13/x - Step 3: Cross multiply
127,299.13x = 190,948.70 × 44,193.13 - Step 4: Simplify right side
127,299.13x = 8,438,620,722.43 - Step 5: Solve for x
x = 8,438,620,722.43/127,299.13 - Step 6: Final answer
x = 66,289.70
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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.