Finding the Fourth Proportional to 135,080.70, 202,497.20 and 51,912.06
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Solution
The fourth proportional to 135,080.70, 202,497.20 and 51,912.06 is: 77,820.49
Step by Step Solution
- Step 1: Write the proportion equation
135,080.70 : 202,497.20 = 51,912.06 : x - Step 2: Convert to fraction form
135,080.70/202,497.20 = 51,912.06/x - Step 3: Cross multiply
135,080.70x = 202,497.20 × 51,912.06 - Step 4: Simplify right side
135,080.70x = 10,512,046,796.23 - Step 5: Solve for x
x = 10,512,046,796.23/135,080.70 - Step 6: Final answer
x = 77,820.49
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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.