Finding the Fourth Proportional to 324,505.99, 486,759.36 and 84,619.68
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Solution
The fourth proportional to 324,505.99, 486,759.36 and 84,619.68 is: 126,929.62
Step by Step Solution
- Step 1: Write the proportion equation
324,505.99 : 486,759.36 = 84,619.68 : x - Step 2: Convert to fraction form
324,505.99/486,759.36 = 84,619.68/x - Step 3: Cross multiply
324,505.99x = 486,759.36 × 84,619.68 - Step 4: Simplify right side
324,505.99x = 41,189,421,280.20 - Step 5: Solve for x
x = 41,189,421,280.20/324,505.99 - Step 6: Final answer
x = 126,929.62
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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.