Finding the Fourth Proportional to 127,197.22, 175,532.52 and 69,840.26
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Solution
The fourth proportional to 127,197.22, 175,532.52 and 69,840.26 is: 96,379.75
Step by Step Solution
- Step 1: Write the proportion equation
127,197.22 : 175,532.52 = 69,840.26 : x - Step 2: Convert to fraction form
127,197.22/175,532.52 = 69,840.26/x - Step 3: Cross multiply
127,197.22x = 175,532.52 × 69,840.26 - Step 4: Simplify right side
127,197.22x = 12,259,236,596.36 - Step 5: Solve for x
x = 12,259,236,596.36/127,197.22 - Step 6: Final answer
x = 96,379.75
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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.