Finding the Fourth Proportional to 324,066.84, 486,212.10 and 134,628.96
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Solution
The fourth proportional to 324,066.84, 486,212.10 and 134,628.96 is: 201,989.90
Step by Step Solution
- Step 1: Write the proportion equation
324,066.84 : 486,212.10 = 134,628.96 : x - Step 2: Convert to fraction form
324,066.84/486,212.10 = 134,628.96/x - Step 3: Cross multiply
324,066.84x = 486,212.10 × 134,628.96 - Step 4: Simplify right side
324,066.84x = 65,458,229,362.42 - Step 5: Solve for x
x = 65,458,229,362.42/324,066.84 - Step 6: Final answer
x = 201,989.90
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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.