Finding the Fourth Proportional to 127,228.96, 190,548.08 and 122,800.40
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Solution
The fourth proportional to 127,228.96, 190,548.08 and 122,800.40 is: 183,915.52
Step by Step Solution
- Step 1: Write the proportion equation
127,228.96 : 190,548.08 = 122,800.40 : x - Step 2: Convert to fraction form
127,228.96/190,548.08 = 122,800.40/x - Step 3: Cross multiply
127,228.96x = 190,548.08 × 122,800.40 - Step 4: Simplify right side
127,228.96x = 23,399,380,443.23 - Step 5: Solve for x
x = 23,399,380,443.23/127,228.96 - Step 6: Final answer
x = 183,915.52
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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.