Finding the Fourth Proportional to 126,824.56, 190,183.38 and 51,893.08
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Solution
The fourth proportional to 126,824.56, 190,183.38 and 51,893.08 is: 77,817.75
Step by Step Solution
- Step 1: Write the proportion equation
126,824.56 : 190,183.38 = 51,893.08 : x - Step 2: Convert to fraction form
126,824.56/190,183.38 = 51,893.08/x - Step 3: Cross multiply
126,824.56x = 190,183.38 × 51,893.08 - Step 4: Simplify right side
126,824.56x = 9,869,201,353.01 - Step 5: Solve for x
x = 9,869,201,353.01/126,824.56 - Step 6: Final answer
x = 77,817.75
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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.