Finding the Fourth Proportional to 324,108.56, 486,214.68 and 137,121.68
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Solution
The fourth proportional to 324,108.56, 486,214.68 and 137,121.68 is: 205,704.45
Step by Step Solution
- Step 1: Write the proportion equation
324,108.56 : 486,214.68 = 137,121.68 : x - Step 2: Convert to fraction form
324,108.56/486,214.68 = 137,121.68/x - Step 3: Cross multiply
324,108.56x = 486,214.68 × 137,121.68 - Step 4: Simplify right side
324,108.56x = 66,670,573,762.26 - Step 5: Solve for x
x = 66,670,573,762.26/324,108.56 - Step 6: Final answer
x = 205,704.45
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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.