Finding the Fourth Proportional to 129,907.08, 194,866.02 and 41,158.62
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Solution
The fourth proportional to 129,907.08, 194,866.02 and 41,158.62 is: 61,739.64
Step by Step Solution
- Step 1: Write the proportion equation
129,907.08 : 194,866.02 = 41,158.62 : x - Step 2: Convert to fraction form
129,907.08/194,866.02 = 41,158.62/x - Step 3: Cross multiply
129,907.08x = 194,866.02 × 41,158.62 - Step 4: Simplify right side
129,907.08x = 8,020,416,468.09 - Step 5: Solve for x
x = 8,020,416,468.09/129,907.08 - Step 6: Final answer
x = 61,739.64
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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.