Finding the Fourth Proportional to 416,734.76, 574,977.26 and 261,702.76
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Solution
The fourth proportional to 416,734.76, 574,977.26 and 261,702.76 is: 361,076.52
Step by Step Solution
- Step 1: Write the proportion equation
416,734.76 : 574,977.26 = 261,702.76 : x - Step 2: Convert to fraction form
416,734.76/574,977.26 = 261,702.76/x - Step 3: Cross multiply
416,734.76x = 574,977.26 × 261,702.76 - Step 4: Simplify right side
416,734.76x = 150,473,135,879.24 - Step 5: Solve for x
x = 150,473,135,879.24/416,734.76 - Step 6: Final answer
x = 361,076.52
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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.