Finding the Fourth Proportional to 132,532.38, 198,804.96 and 43,783.92
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Solution
The fourth proportional to 132,532.38, 198,804.96 and 43,783.92 is: 65,677.99
Step by Step Solution
- Step 1: Write the proportion equation
132,532.38 : 198,804.96 = 43,783.92 : x - Step 2: Convert to fraction form
132,532.38/198,804.96 = 43,783.92/x - Step 3: Cross multiply
132,532.38x = 198,804.96 × 43,783.92 - Step 4: Simplify right side
132,532.38x = 8,704,460,464.24 - Step 5: Solve for x
x = 8,704,460,464.24/132,532.38 - Step 6: Final answer
x = 65,677.99
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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.