Finding the Fourth Proportional to 324,120.36, 486,176.63 and 84,213.03
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Solution
The fourth proportional to 324,120.36, 486,176.63 and 84,213.03 is: 126,318.53
Step by Step Solution
- Step 1: Write the proportion equation
324,120.36 : 486,176.63 = 84,213.03 : x - Step 2: Convert to fraction form
324,120.36/486,176.63 = 84,213.03/x - Step 3: Cross multiply
324,120.36x = 486,176.63 × 84,213.03 - Step 4: Simplify right side
324,120.36x = 40,942,406,952.23 - Step 5: Solve for x
x = 40,942,406,952.23/324,120.36 - Step 6: Final answer
x = 126,318.53
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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.