Finding the Fourth Proportional to 317,453.38, 476,164.68 and 117,812.68
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Solution
The fourth proportional to 317,453.38, 476,164.68 and 117,812.68 is: 176,713.31
Step by Step Solution
- Step 1: Write the proportion equation
317,453.38 : 476,164.68 = 117,812.68 : x - Step 2: Convert to fraction form
317,453.38/476,164.68 = 117,812.68/x - Step 3: Cross multiply
317,453.38x = 476,164.68 × 117,812.68 - Step 4: Simplify right side
317,453.38x = 56,098,237,072.14 - Step 5: Solve for x
x = 56,098,237,072.14/317,453.38 - Step 6: Final answer
x = 176,713.31
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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.