Finding the Fourth Proportional to 208,891.98, 313,337.43 and 75,771.99
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Solution
The fourth proportional to 208,891.98, 313,337.43 and 75,771.99 is: 113,657.79
Step by Step Solution
- Step 1: Write the proportion equation
208,891.98 : 313,337.43 = 75,771.99 : x - Step 2: Convert to fraction form
208,891.98/313,337.43 = 75,771.99/x - Step 3: Cross multiply
208,891.98x = 313,337.43 × 75,771.99 - Step 4: Simplify right side
208,891.98x = 23,742,200,612.59 - Step 5: Solve for x
x = 23,742,200,612.59/208,891.98 - Step 6: Final answer
x = 113,657.79
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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.