Finding the Fourth Proportional to 317,717.20, 476,446.20 and 107,246.80
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Solution
The fourth proportional to 317,717.20, 476,446.20 and 107,246.80 is: 160,826.45
Step by Step Solution
- Step 1: Write the proportion equation
317,717.20 : 476,446.20 = 107,246.80 : x - Step 2: Convert to fraction form
317,717.20/476,446.20 = 107,246.80/x - Step 3: Cross multiply
317,717.20x = 476,446.20 × 107,246.80 - Step 4: Simplify right side
317,717.20x = 51,097,330,322.16 - Step 5: Solve for x
x = 51,097,330,322.16/317,717.20 - Step 6: Final answer
x = 160,826.45
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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.