Finding the Fourth Proportional to 371,405.92, 512,540.16 and 201,640.08
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Solution
The fourth proportional to 371,405.92, 512,540.16 and 201,640.08 is: 278,263.31
Step by Step Solution
- Step 1: Write the proportion equation
371,405.92 : 512,540.16 = 201,640.08 : x - Step 2: Convert to fraction form
371,405.92/512,540.16 = 201,640.08/x - Step 3: Cross multiply
371,405.92x = 512,540.16 × 201,640.08 - Step 4: Simplify right side
371,405.92x = 103,348,638,865.61 - Step 5: Solve for x
x = 103,348,638,865.61/371,405.92 - Step 6: Final answer
x = 278,263.31
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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.