Finding the Fourth Proportional to 324,652.86, 486,716.99 and 135,255.96
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Solution
The fourth proportional to 324,652.86, 486,716.99 and 135,255.96 is: 202,774.66
Step by Step Solution
- Step 1: Write the proportion equation
324,652.86 : 486,716.99 = 135,255.96 : x - Step 2: Convert to fraction form
324,652.86/486,716.99 = 135,255.96/x - Step 3: Cross multiply
324,652.86x = 486,716.99 × 135,255.96 - Step 4: Simplify right side
324,652.86x = 65,831,373,054.48 - Step 5: Solve for x
x = 65,831,373,054.48/324,652.86 - Step 6: Final answer
x = 202,774.66
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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.