Finding the Fourth Proportional to 71,455.01, 107,182.56 and 18,150.99
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Solution
The fourth proportional to 71,455.01, 107,182.56 and 18,150.99 is: 27,226.50
Step by Step Solution
- Step 1: Write the proportion equation
71,455.01 : 107,182.56 = 18,150.99 : x - Step 2: Convert to fraction form
71,455.01/107,182.56 = 18,150.99/x - Step 3: Cross multiply
71,455.01x = 107,182.56 × 18,150.99 - Step 4: Simplify right side
71,455.01x = 1,945,469,574.73 - Step 5: Solve for x
x = 1,945,469,574.73/71,455.01 - Step 6: Final answer
x = 27,226.50
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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.