Finding the Fourth Proportional to 313,716.03, 432,919.40 and 170,471.31
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Solution
The fourth proportional to 313,716.03, 432,919.40 and 170,471.31 is: 235,245.67
Step by Step Solution
- Step 1: Write the proportion equation
313,716.03 : 432,919.40 = 170,471.31 : x - Step 2: Convert to fraction form
313,716.03/432,919.40 = 170,471.31/x - Step 3: Cross multiply
313,716.03x = 432,919.40 × 170,471.31 - Step 4: Simplify right side
313,716.03x = 73,800,336,390.06 - Step 5: Solve for x
x = 73,800,336,390.06/313,716.03 - Step 6: Final answer
x = 235,245.67
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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.