Finding the Fourth Proportional to 103,675.67, 155,538.19 and 33,554.99
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Solution
The fourth proportional to 103,675.67, 155,538.19 and 33,554.99 is: 50,340.47
Step by Step Solution
- Step 1: Write the proportion equation
103,675.67 : 155,538.19 = 33,554.99 : x - Step 2: Convert to fraction form
103,675.67/155,538.19 = 33,554.99/x - Step 3: Cross multiply
103,675.67x = 155,538.19 × 33,554.99 - Step 4: Simplify right side
103,675.67x = 5,219,082,410.07 - Step 5: Solve for x
x = 5,219,082,410.07/103,675.67 - Step 6: Final answer
x = 50,340.47
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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.