Finding the Fourth Proportional to 323,134.50, 445,635.30 and 202,286.79
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Solution
The fourth proportional to 323,134.50, 445,635.30 and 202,286.79 is: 278,974.03
Step by Step Solution
- Step 1: Write the proportion equation
323,134.50 : 445,635.30 = 202,286.79 : x - Step 2: Convert to fraction form
323,134.50/445,635.30 = 202,286.79/x - Step 3: Cross multiply
323,134.50x = 445,635.30 × 202,286.79 - Step 4: Simplify right side
323,134.50x = 90,146,134,347.69 - Step 5: Solve for x
x = 90,146,134,347.69/323,134.50 - Step 6: Final answer
x = 278,974.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.