Finding the Fourth Proportional to 181,197.08, 271,555.04 and 81,338.66
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Solution
The fourth proportional to 181,197.08, 271,555.04 and 81,338.66 is: 121,899.99
Step by Step Solution
- Step 1: Write the proportion equation
181,197.08 : 271,555.04 = 81,338.66 : x - Step 2: Convert to fraction form
181,197.08/271,555.04 = 81,338.66/x - Step 3: Cross multiply
181,197.08x = 271,555.04 × 81,338.66 - Step 4: Simplify right side
181,197.08x = 22,087,923,069.85 - Step 5: Solve for x
x = 22,087,923,069.85/181,197.08 - Step 6: Final answer
x = 121,899.99
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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.