Finding the Fourth Proportional to 327,033.05, 451,315.85 and 197,995.19
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Solution
The fourth proportional to 327,033.05, 451,315.85 and 197,995.19 is: 273,239.56
Step by Step Solution
- Step 1: Write the proportion equation
327,033.05 : 451,315.85 = 197,995.19 : x - Step 2: Convert to fraction form
327,033.05/451,315.85 = 197,995.19/x - Step 3: Cross multiply
327,033.05x = 451,315.85 × 197,995.19 - Step 4: Simplify right side
327,033.05x = 89,358,367,470.76 - Step 5: Solve for x
x = 89,358,367,470.76/327,033.05 - Step 6: Final answer
x = 273,239.56
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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.