Finding the Fourth Proportional to 214,704.99, 321,888.11 and 135,652.59
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Solution
The fourth proportional to 214,704.99, 321,888.11 and 135,652.59 is: 203,371.87
Step by Step Solution
- Step 1: Write the proportion equation
214,704.99 : 321,888.11 = 135,652.59 : x - Step 2: Convert to fraction form
214,704.99/321,888.11 = 135,652.59/x - Step 3: Cross multiply
214,704.99x = 321,888.11 × 135,652.59 - Step 4: Simplify right side
214,704.99x = 43,664,955,133.44 - Step 5: Solve for x
x = 43,664,955,133.44/214,704.99 - Step 6: Final answer
x = 203,371.87
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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.