Finding the Fourth Proportional to 200,392.47, 276,541.97 and 108,512.75
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Solution
The fourth proportional to 200,392.47, 276,541.97 and 108,512.75 is: 149,747.79
Step by Step Solution
- Step 1: Write the proportion equation
200,392.47 : 276,541.97 = 108,512.75 : x - Step 2: Convert to fraction form
200,392.47/276,541.97 = 108,512.75/x - Step 3: Cross multiply
200,392.47x = 276,541.97 × 108,512.75 - Step 4: Simplify right side
200,392.47x = 30,008,329,803.91 - Step 5: Solve for x
x = 30,008,329,803.91/200,392.47 - Step 6: Final answer
x = 149,747.79
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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.