Finding the Fourth Proportional to 313,986.36, 433,304.26 and 170,749.50
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Solution
The fourth proportional to 313,986.36, 433,304.26 and 170,749.50 is: 235,635.99
Step by Step Solution
- Step 1: Write the proportion equation
313,986.36 : 433,304.26 = 170,749.50 : x - Step 2: Convert to fraction form
313,986.36/433,304.26 = 170,749.50/x - Step 3: Cross multiply
313,986.36x = 433,304.26 × 170,749.50 - Step 4: Simplify right side
313,986.36x = 73,986,485,742.87 - Step 5: Solve for x
x = 73,986,485,742.87/313,986.36 - Step 6: Final answer
x = 235,635.99
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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.