Finding the Fourth Proportional to 243,619.28, 365,491.80 and 75,135.80
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Solution
The fourth proportional to 243,619.28, 365,491.80 and 75,135.80 is: 112,723.09
Step by Step Solution
- Step 1: Write the proportion equation
243,619.28 : 365,491.80 = 75,135.80 : x - Step 2: Convert to fraction form
243,619.28/365,491.80 = 75,135.80/x - Step 3: Cross multiply
243,619.28x = 365,491.80 × 75,135.80 - Step 4: Simplify right side
243,619.28x = 27,461,518,786.44 - Step 5: Solve for x
x = 27,461,518,786.44/243,619.28 - Step 6: Final answer
x = 112,723.09
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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.