Finding the Fourth Proportional to 132,604.06, 198,942.61 and 39,109.81
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Solution
The fourth proportional to 132,604.06, 198,942.61 and 39,109.81 is: 58,675.49
Step by Step Solution
- Step 1: Write the proportion equation
132,604.06 : 198,942.61 = 39,109.81 : x - Step 2: Convert to fraction form
132,604.06/198,942.61 = 39,109.81/x - Step 3: Cross multiply
132,604.06x = 198,942.61 × 39,109.81 - Step 4: Simplify right side
132,604.06x = 7,780,607,678.00 - Step 5: Solve for x
x = 7,780,607,678.00/132,604.06 - Step 6: Final answer
x = 58,675.49
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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.