Finding the Fourth Proportional to 132,605.06, 198,944.11 and 39,110.81
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Solution
The fourth proportional to 132,605.06, 198,944.11 and 39,110.81 is: 58,676.99
Step by Step Solution
- Step 1: Write the proportion equation
132,605.06 : 198,944.11 = 39,110.81 : x - Step 2: Convert to fraction form
132,605.06/198,944.11 = 39,110.81/x - Step 3: Cross multiply
132,605.06x = 198,944.11 × 39,110.81 - Step 4: Simplify right side
132,605.06x = 7,780,865,286.83 - Step 5: Solve for x
x = 7,780,865,286.83/132,605.06 - Step 6: Final answer
x = 58,676.99
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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.