Finding the Fourth Proportional to 218,428.97, 327,665.81 and 83,606.31
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Solution
The fourth proportional to 218,428.97, 327,665.81 and 83,606.31 is: 125,418.02
Step by Step Solution
- Step 1: Write the proportion equation
218,428.97 : 327,665.81 = 83,606.31 : x - Step 2: Convert to fraction form
218,428.97/327,665.81 = 83,606.31/x - Step 3: Cross multiply
218,428.97x = 327,665.81 × 83,606.31 - Step 4: Simplify right side
218,428.97x = 27,394,928,869.23 - Step 5: Solve for x
x = 27,394,928,869.23/218,428.97 - Step 6: Final answer
x = 125,418.02
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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.