Finding the Fourth Proportional to 218,661.94, 327,711.30 and 106,124.37
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Solution
The fourth proportional to 218,661.94, 327,711.30 and 106,124.37 is: 159,049.88
Step by Step Solution
- Step 1: Write the proportion equation
218,661.94 : 327,711.30 = 106,124.37 : x - Step 2: Convert to fraction form
218,661.94/327,711.30 = 106,124.37/x - Step 3: Cross multiply
218,661.94x = 327,711.30 × 106,124.37 - Step 4: Simplify right side
218,661.94x = 34,778,155,254.38 - Step 5: Solve for x
x = 34,778,155,254.38/218,661.94 - Step 6: Final answer
x = 159,049.88
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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.