Finding the Fourth Proportional to 207,958.18, 311,924.96 and 58,195.15
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Solution
The fourth proportional to 207,958.18, 311,924.96 and 58,195.15 is: 87,289.28
Step by Step Solution
- Step 1: Write the proportion equation
207,958.18 : 311,924.96 = 58,195.15 : x - Step 2: Convert to fraction form
207,958.18/311,924.96 = 58,195.15/x - Step 3: Cross multiply
207,958.18x = 311,924.96 × 58,195.15 - Step 4: Simplify right side
207,958.18x = 18,152,519,201.62 - Step 5: Solve for x
x = 18,152,519,201.62/207,958.18 - Step 6: Final answer
x = 87,289.28
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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.