Finding the Fourth Proportional to 317,028.36, 475,244.85 and 106,519.08
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Solution
The fourth proportional to 317,028.36, 475,244.85 and 106,519.08 is: 159,678.60
Step by Step Solution
- Step 1: Write the proportion equation
317,028.36 : 475,244.85 = 106,519.08 : x - Step 2: Convert to fraction form
317,028.36/475,244.85 = 106,519.08/x - Step 3: Cross multiply
317,028.36x = 475,244.85 × 106,519.08 - Step 4: Simplify right side
317,028.36x = 50,622,644,196.74 - Step 5: Solve for x
x = 50,622,644,196.74/317,028.36 - Step 6: Final answer
x = 159,678.60
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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.