Finding the Fourth Proportional to 127,122.36, 190,733.70 and 48,257.52
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Solution
The fourth proportional to 127,122.36, 190,733.70 and 48,257.52 is: 72,405.32
Step by Step Solution
- Step 1: Write the proportion equation
127,122.36 : 190,733.70 = 48,257.52 : x - Step 2: Convert to fraction form
127,122.36/190,733.70 = 48,257.52/x - Step 3: Cross multiply
127,122.36x = 190,733.70 × 48,257.52 - Step 4: Simplify right side
127,122.36x = 9,204,335,342.42 - Step 5: Solve for x
x = 9,204,335,342.42/127,122.36 - Step 6: Final answer
x = 72,405.32
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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.