Finding the Fourth Proportional to 324,504.99, 486,757.86 and 84,618.68
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Solution
The fourth proportional to 324,504.99, 486,757.86 and 84,618.68 is: 126,928.11
Step by Step Solution
- Step 1: Write the proportion equation
324,504.99 : 486,757.86 = 84,618.68 : x - Step 2: Convert to fraction form
324,504.99/486,757.86 = 84,618.68/x - Step 3: Cross multiply
324,504.99x = 486,757.86 × 84,618.68 - Step 4: Simplify right side
324,504.99x = 41,188,805,952.84 - Step 5: Solve for x
x = 41,188,805,952.84/324,504.99 - Step 6: Final answer
x = 126,928.11
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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.