Finding the Fourth Proportional to 283,781.99, 425,716.73 and 96,749.75
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Solution
The fourth proportional to 283,781.99, 425,716.73 and 96,749.75 is: 145,139.54
Step by Step Solution
- Step 1: Write the proportion equation
283,781.99 : 425,716.73 = 96,749.75 : x - Step 2: Convert to fraction form
283,781.99/425,716.73 = 96,749.75/x - Step 3: Cross multiply
283,781.99x = 425,716.73 × 96,749.75 - Step 4: Simplify right side
283,781.99x = 41,187,987,198.32 - Step 5: Solve for x
x = 41,187,987,198.32/283,781.99 - Step 6: Final answer
x = 145,139.54
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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.