Finding the Fourth Proportional to 82,857.18, 124,268.31 and 26,702.31
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Solution
The fourth proportional to 82,857.18, 124,268.31 and 26,702.31 is: 40,047.84
Step by Step Solution
- Step 1: Write the proportion equation
82,857.18 : 124,268.31 = 26,702.31 : x - Step 2: Convert to fraction form
82,857.18/124,268.31 = 26,702.31/x - Step 3: Cross multiply
82,857.18x = 124,268.31 × 26,702.31 - Step 4: Simplify right side
82,857.18x = 3,318,250,936.80 - Step 5: Solve for x
x = 3,318,250,936.80/82,857.18 - Step 6: Final answer
x = 40,047.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.