Finding the Fourth Proportional to 324,941.45, 487,651.61 and 154,163.79
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Solution
The fourth proportional to 324,941.45, 487,651.61 and 154,163.79 is: 231,359.28
Step by Step Solution
- Step 1: Write the proportion equation
324,941.45 : 487,651.61 = 154,163.79 : x - Step 2: Convert to fraction form
324,941.45/487,651.61 = 154,163.79/x - Step 3: Cross multiply
324,941.45x = 487,651.61 × 154,163.79 - Step 4: Simplify right side
324,941.45x = 75,178,219,626.38 - Step 5: Solve for x
x = 75,178,219,626.38/324,941.45 - Step 6: Final answer
x = 231,359.28
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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.