Finding the Fourth Proportional to 317,769.36, 438,527.20 and 174,535.44
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Solution
The fourth proportional to 317,769.36, 438,527.20 and 174,535.44 is: 240,861.92
Step by Step Solution
- Step 1: Write the proportion equation
317,769.36 : 438,527.20 = 174,535.44 : x - Step 2: Convert to fraction form
317,769.36/438,527.20 = 174,535.44/x - Step 3: Cross multiply
317,769.36x = 438,527.20 × 174,535.44 - Step 4: Simplify right side
317,769.36x = 76,538,537,803.97 - Step 5: Solve for x
x = 76,538,537,803.97/317,769.36 - Step 6: Final answer
x = 240,861.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.