Finding the Fourth Proportional to 129,260.14, 193,892.63 and 40,511.68
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Solution
The fourth proportional to 129,260.14, 193,892.63 and 40,511.68 is: 60,768.27
Step by Step Solution
- Step 1: Write the proportion equation
129,260.14 : 193,892.63 = 40,511.68 : x - Step 2: Convert to fraction form
129,260.14/193,892.63 = 40,511.68/x - Step 3: Cross multiply
129,260.14x = 193,892.63 × 40,511.68 - Step 4: Simplify right side
129,260.14x = 7,854,915,312.73 - Step 5: Solve for x
x = 7,854,915,312.73/129,260.14 - Step 6: Final answer
x = 60,768.27
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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.