Finding the Fourth Proportional to 150,546.14, 207,738.70 and 86,904.44
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Solution
The fourth proportional to 150,546.14, 207,738.70 and 86,904.44 is: 119,919.48
Step by Step Solution
- Step 1: Write the proportion equation
150,546.14 : 207,738.70 = 86,904.44 : x - Step 2: Convert to fraction form
150,546.14/207,738.70 = 86,904.44/x - Step 3: Cross multiply
150,546.14x = 207,738.70 × 86,904.44 - Step 4: Simplify right side
150,546.14x = 18,053,414,133.87 - Step 5: Solve for x
x = 18,053,414,133.87/150,546.14 - Step 6: Final answer
x = 119,919.48
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1.5x scale
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.