Finding the Fourth Proportional to 229,756.44, 344,634.84 and 71,997.18
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Solution
The fourth proportional to 229,756.44, 344,634.84 and 71,997.18 is: 107,995.83
Step by Step Solution
- Step 1: Write the proportion equation
229,756.44 : 344,634.84 = 71,997.18 : x - Step 2: Convert to fraction form
229,756.44/344,634.84 = 71,997.18/x - Step 3: Cross multiply
229,756.44x = 344,634.84 × 71,997.18 - Step 4: Simplify right side
229,756.44x = 24,812,736,609.75 - Step 5: Solve for x
x = 24,812,736,609.75/229,756.44 - Step 6: Final answer
x = 107,995.83
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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.