Finding the Fourth Proportional to 313,982.16, 433,286.24 and 178,029.12
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Solution
The fourth proportional to 313,982.16, 433,286.24 and 178,029.12 is: 245,675.00
Step by Step Solution
- Step 1: Write the proportion equation
313,982.16 : 433,286.24 = 178,029.12 : x - Step 2: Convert to fraction form
313,982.16/433,286.24 = 178,029.12/x - Step 3: Cross multiply
313,982.16x = 433,286.24 × 178,029.12 - Step 4: Simplify right side
313,982.16x = 77,137,568,015.31 - Step 5: Solve for x
x = 77,137,568,015.31/313,982.16 - Step 6: Final answer
x = 245,675.00
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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.