Finding the Fourth Proportional to 313,786.05, 433,028.12 and 170,546.10
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Solution
The fourth proportional to 313,786.05, 433,028.12 and 170,546.10 is: 235,355.45
Step by Step Solution
- Step 1: Write the proportion equation
313,786.05 : 433,028.12 = 170,546.10 : x - Step 2: Convert to fraction form
313,786.05/433,028.12 = 170,546.10/x - Step 3: Cross multiply
313,786.05x = 433,028.12 × 170,546.10 - Step 4: Simplify right side
313,786.05x = 73,851,256,203.60 - Step 5: Solve for x
x = 73,851,256,203.60/313,786.05 - Step 6: Final answer
x = 235,355.45
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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.