Finding the Fourth Proportional to 371,536.20, 512,700.84 and 201,769.92
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Solution
The fourth proportional to 371,536.20, 512,700.84 and 201,769.92 is: 278,432.11
Step by Step Solution
- Step 1: Write the proportion equation
371,536.20 : 512,700.84 = 201,769.92 : x - Step 2: Convert to fraction form
371,536.20/512,700.84 = 201,769.92/x - Step 3: Cross multiply
371,536.20x = 512,700.84 × 201,769.92 - Step 4: Simplify right side
371,536.20x = 103,447,607,470.73 - Step 5: Solve for x
x = 103,447,607,470.73/371,536.20 - Step 6: Final answer
x = 278,432.11
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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.