Finding the Fourth Proportional to 181,974.24, 272,958.12 and 76,794.12
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Solution
The fourth proportional to 181,974.24, 272,958.12 and 76,794.12 is: 115,189.81
Step by Step Solution
- Step 1: Write the proportion equation
181,974.24 : 272,958.12 = 76,794.12 : x - Step 2: Convert to fraction form
181,974.24/272,958.12 = 76,794.12/x - Step 3: Cross multiply
181,974.24x = 272,958.12 × 76,794.12 - Step 4: Simplify right side
181,974.24x = 20,961,578,622.25 - Step 5: Solve for x
x = 20,961,578,622.25/181,974.24 - Step 6: Final answer
x = 115,189.81
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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.