Finding the Fourth Proportional to 324,120.56, 486,232.68 and 137,133.68
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Solution
The fourth proportional to 324,120.56, 486,232.68 and 137,133.68 is: 205,722.45
Step by Step Solution
- Step 1: Write the proportion equation
324,120.56 : 486,232.68 = 137,133.68 : x - Step 2: Convert to fraction form
324,120.56/486,232.68 = 137,133.68/x - Step 3: Cross multiply
324,120.56x = 486,232.68 × 137,133.68 - Step 4: Simplify right side
324,120.56x = 66,678,876,744.66 - Step 5: Solve for x
x = 66,678,876,744.66/324,120.56 - Step 6: Final answer
x = 205,722.45
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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.