Finding the Fourth Proportional to 371,422.20, 557,451.41 and 368,626.49
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Solution
The fourth proportional to 371,422.20, 557,451.41 and 368,626.49 is: 553,255.44
Step by Step Solution
- Step 1: Write the proportion equation
371,422.20 : 557,451.41 = 368,626.49 : x - Step 2: Convert to fraction form
371,422.20/557,451.41 = 368,626.49/x - Step 3: Cross multiply
371,422.20x = 557,451.41 × 368,626.49 - Step 4: Simplify right side
371,422.20x = 205,491,351,983.46 - Step 5: Solve for x
x = 205,491,351,983.46/371,422.20 - Step 6: Final answer
x = 553,255.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.