Finding the Fourth Proportional to 227,763.80, 341,687.16 and 113,971.05
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Solution
The fourth proportional to 227,763.80, 341,687.16 and 113,971.05 is: 170,977.32
Step by Step Solution
- Step 1: Write the proportion equation
227,763.80 : 341,687.16 = 113,971.05 : x - Step 2: Convert to fraction form
227,763.80/341,687.16 = 113,971.05/x - Step 3: Cross multiply
227,763.80x = 341,687.16 × 113,971.05 - Step 4: Simplify right side
227,763.80x = 38,942,444,396.72 - Step 5: Solve for x
x = 38,942,444,396.72/227,763.80 - Step 6: Final answer
x = 170,977.32
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1.5x scale
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.