Finding the Fourth Proportional to 127,115.02, 190,708.08 and 48,235.45
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Solution
The fourth proportional to 127,115.02, 190,708.08 and 48,235.45 is: 72,366.66
Step by Step Solution
- Step 1: Write the proportion equation
127,115.02 : 190,708.08 = 48,235.45 : x - Step 2: Convert to fraction form
127,115.02/190,708.08 = 48,235.45/x - Step 3: Cross multiply
127,115.02x = 190,708.08 × 48,235.45 - Step 4: Simplify right side
127,115.02x = 9,198,890,057.44 - Step 5: Solve for x
x = 9,198,890,057.44/127,115.02 - Step 6: Final answer
x = 72,366.66
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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.