Finding the Fourth Proportional to 317,313.99, 475,972.47 and 106,953.75
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Solution
The fourth proportional to 317,313.99, 475,972.47 and 106,953.75 is: 160,431.13
Step by Step Solution
- Step 1: Write the proportion equation
317,313.99 : 475,972.47 = 106,953.75 : x - Step 2: Convert to fraction form
317,313.99/475,972.47 = 106,953.75/x - Step 3: Cross multiply
317,313.99x = 475,972.47 × 106,953.75 - Step 4: Simplify right side
317,313.99x = 50,907,040,563.26 - Step 5: Solve for x
x = 50,907,040,563.26/317,313.99 - Step 6: Final answer
x = 160,431.13
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1.5x scale
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.