Finding the Fourth Proportional to 371,205.44, 512,264.88 and 201,439.52
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Solution
The fourth proportional to 371,205.44, 512,264.88 and 201,439.52 is: 277,987.28
Step by Step Solution
- Step 1: Write the proportion equation
371,205.44 : 512,264.88 = 201,439.52 : x - Step 2: Convert to fraction form
371,205.44/512,264.88 = 201,439.52/x - Step 3: Cross multiply
371,205.44x = 512,264.88 × 201,439.52 - Step 4: Simplify right side
371,205.44x = 103,190,391,540.06 - Step 5: Solve for x
x = 103,190,391,540.06/371,205.44 - Step 6: Final answer
x = 277,987.28
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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.