Finding the Fourth Proportional to 103,618.26, 155,423.74 and 33,495.75
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Solution
The fourth proportional to 103,618.26, 155,423.74 and 33,495.75 is: 50,242.45
Step by Step Solution
- Step 1: Write the proportion equation
103,618.26 : 155,423.74 = 33,495.75 : x - Step 2: Convert to fraction form
103,618.26/155,423.74 = 33,495.75/x - Step 3: Cross multiply
103,618.26x = 155,423.74 × 33,495.75 - Step 4: Simplify right side
103,618.26x = 5,206,034,739.11 - Step 5: Solve for x
x = 5,206,034,739.11/103,618.26 - Step 6: Final answer
x = 50,242.45
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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.