Finding the Fourth Proportional to 173,259.20, 259,914.96 and 73,419.80
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Solution
The fourth proportional to 173,259.20, 259,914.96 and 73,419.80 is: 110,140.79
Step by Step Solution
- Step 1: Write the proportion equation
173,259.20 : 259,914.96 = 73,419.80 : x - Step 2: Convert to fraction form
173,259.20/259,914.96 = 73,419.80/x - Step 3: Cross multiply
173,259.20x = 259,914.96 × 73,419.80 - Step 4: Simplify right side
173,259.20x = 19,082,904,380.21 - Step 5: Solve for x
x = 19,082,904,380.21/173,259.20 - Step 6: Final answer
x = 110,140.79
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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.