Finding the Fourth Proportional to 155,107.44, 232,688.43 and 80,207.19
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Solution
The fourth proportional to 155,107.44, 232,688.43 and 80,207.19 is: 120,324.89
Step by Step Solution
- Step 1: Write the proportion equation
155,107.44 : 232,688.43 = 80,207.19 : x - Step 2: Convert to fraction form
155,107.44/232,688.43 = 80,207.19/x - Step 3: Cross multiply
155,107.44x = 232,688.43 × 80,207.19 - Step 4: Simplify right side
155,107.44x = 18,663,285,115.81 - Step 5: Solve for x
x = 18,663,285,115.81/155,107.44 - Step 6: Final answer
x = 120,324.89
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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.