Finding the Fourth Proportional to 317,452.38, 476,163.18 and 117,811.68
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Solution
The fourth proportional to 317,452.38, 476,163.18 and 117,811.68 is: 176,711.81
Step by Step Solution
- Step 1: Write the proportion equation
317,452.38 : 476,163.18 = 117,811.68 : x - Step 2: Convert to fraction form
317,452.38/476,163.18 = 117,811.68/x - Step 3: Cross multiply
317,452.38x = 476,163.18 × 117,811.68 - Step 4: Simplify right side
317,452.38x = 56,097,584,189.94 - Step 5: Solve for x
x = 56,097,584,189.94/317,452.38 - Step 6: Final answer
x = 176,711.81
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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.