Finding the Fourth Proportional to 150,664.05, 207,918.60 and 82,679.84
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Solution
The fourth proportional to 150,664.05, 207,918.60 and 82,679.84 is: 114,099.39
Step by Step Solution
- Step 1: Write the proportion equation
150,664.05 : 207,918.60 = 82,679.84 : x - Step 2: Convert to fraction form
150,664.05/207,918.60 = 82,679.84/x - Step 3: Cross multiply
150,664.05x = 207,918.60 × 82,679.84 - Step 4: Simplify right side
150,664.05x = 17,190,676,011.08 - Step 5: Solve for x
x = 17,190,676,011.08/150,664.05 - Step 6: Final answer
x = 114,099.39
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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.