Finding the Fourth Proportional to 757,187, 1,135,447.86 and 283,540.12
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Solution
The fourth proportional to 757,187, 1,135,447.86 and 283,540.12 is: 425,185.62
Step by Step Solution
- Step 1: Write the proportion equation
757,187 : 1,135,447.86 = 283,540.12 : x - Step 2: Convert to fraction form
757,187/1,135,447.86 = 283,540.12/x - Step 3: Cross multiply
757,187x = 1,135,447.86 × 283,540.12 - Step 4: Simplify right side
757,187x = 321,945,022,478.14 - Step 5: Solve for x
x = 321,945,022,478.14/757,187 - Step 6: Final answer
x = 425,185.62
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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.