Finding the Fourth Proportional to 218,615.56, 301,685.41 and 119,161.02
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Solution
The fourth proportional to 218,615.56, 301,685.41 and 119,161.02 is: 164,439.99
Step by Step Solution
- Step 1: Write the proportion equation
218,615.56 : 301,685.41 = 119,161.02 : x - Step 2: Convert to fraction form
218,615.56/301,685.41 = 119,161.02/x - Step 3: Cross multiply
218,615.56x = 301,685.41 × 119,161.02 - Step 4: Simplify right side
218,615.56x = 35,949,141,174.72 - Step 5: Solve for x
x = 35,949,141,174.72/218,615.56 - Step 6: Final answer
x = 164,439.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.