Finding the Fourth Proportional to 317,316.99, 475,976.97 and 106,956.75
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Solution
The fourth proportional to 317,316.99, 475,976.97 and 106,956.75 is: 160,435.63
Step by Step Solution
- Step 1: Write the proportion equation
317,316.99 : 475,976.97 = 106,956.75 : x - Step 2: Convert to fraction form
317,316.99/475,976.97 = 106,956.75/x - Step 3: Cross multiply
317,316.99x = 475,976.97 × 106,956.75 - Step 4: Simplify right side
317,316.99x = 50,908,949,786.05 - Step 5: Solve for x
x = 50,908,949,786.05/317,316.99 - Step 6: Final answer
x = 160,435.63
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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.