Finding the Fourth Proportional to 317,107.16, 475,709.88 and 106,728.68
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Solution
The fourth proportional to 317,107.16, 475,709.88 and 106,728.68 is: 160,109.56
Step by Step Solution
- Step 1: Write the proportion equation
317,107.16 : 475,709.88 = 106,728.68 : x - Step 2: Convert to fraction form
317,107.16/475,709.88 = 106,728.68/x - Step 3: Cross multiply
317,107.16x = 475,709.88 × 106,728.68 - Step 4: Simplify right side
317,107.16x = 50,771,887,555.36 - Step 5: Solve for x
x = 50,771,887,555.36/317,107.16 - Step 6: Final answer
x = 160,109.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.