Finding the Fourth Proportional to 505,961.16, 698,240.84 and 276,531.20
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Solution
The fourth proportional to 505,961.16, 698,240.84 and 276,531.20 is: 381,620.95
Step by Step Solution
- Step 1: Write the proportion equation
505,961.16 : 698,240.84 = 276,531.20 : x - Step 2: Convert to fraction form
505,961.16/698,240.84 = 276,531.20/x - Step 3: Cross multiply
505,961.16x = 698,240.84 × 276,531.20 - Step 4: Simplify right side
505,961.16x = 193,085,377,374.21 - Step 5: Solve for x
x = 193,085,377,374.21/505,961.16 - Step 6: Final answer
x = 381,620.95
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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.