Finding the Fourth Proportional to 147,284.68, 203,245.62 and 83,614.12
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Solution
The fourth proportional to 147,284.68, 203,245.62 and 83,614.12 is: 115,383.38
Step by Step Solution
- Step 1: Write the proportion equation
147,284.68 : 203,245.62 = 83,614.12 : x - Step 2: Convert to fraction form
147,284.68/203,245.62 = 83,614.12/x - Step 3: Cross multiply
147,284.68x = 203,245.62 × 83,614.12 - Step 4: Simplify right side
147,284.68x = 16,994,203,660.15 - Step 5: Solve for x
x = 16,994,203,660.15/147,284.68 - Step 6: Final answer
x = 115,383.38
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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.