Finding the Fourth Proportional to 486,254.36, 729,324.14 and 131,296.07
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Solution
The fourth proportional to 486,254.36, 729,324.14 and 131,296.07 is: 196,928.61
Step by Step Solution
- Step 1: Write the proportion equation
486,254.36 : 729,324.14 = 131,296.07 : x - Step 2: Convert to fraction form
486,254.36/729,324.14 = 131,296.07/x - Step 3: Cross multiply
486,254.36x = 729,324.14 × 131,296.07 - Step 4: Simplify right side
486,254.36x = 95,757,394,504.96 - Step 5: Solve for x
x = 95,757,394,504.96/486,254.36 - Step 6: Final answer
x = 196,928.61
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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.