Finding the Fourth Proportional to 496,212.58, 684,758.73 and 281,372.26
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Solution
The fourth proportional to 496,212.58, 684,758.73 and 281,372.26 is: 388,285.42
Step by Step Solution
- Step 1: Write the proportion equation
496,212.58 : 684,758.73 = 281,372.26 : x - Step 2: Convert to fraction form
496,212.58/684,758.73 = 281,372.26/x - Step 3: Cross multiply
496,212.58x = 684,758.73 × 281,372.26 - Step 4: Simplify right side
496,212.58x = 192,672,111,414.83 - Step 5: Solve for x
x = 192,672,111,414.83/496,212.58 - Step 6: Final answer
x = 388,285.42
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1.5x scale
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.