Finding the Fourth Proportional to 371,708.20, 512,954.58 and 201,943.72
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Solution
The fourth proportional to 371,708.20, 512,954.58 and 201,943.72 is: 278,680.85
Step by Step Solution
- Step 1: Write the proportion equation
371,708.20 : 512,954.58 = 201,943.72 : x - Step 2: Convert to fraction form
371,708.20/512,954.58 = 201,943.72/x - Step 3: Cross multiply
371,708.20x = 512,954.58 × 201,943.72 - Step 4: Simplify right side
371,708.20x = 103,587,956,076.24 - Step 5: Solve for x
x = 103,587,956,076.24/371,708.20 - Step 6: Final answer
x = 278,680.85
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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.