Finding the Fourth Proportional to 351,470.26, 485,028.09 and 190,325.31
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Solution
The fourth proportional to 351,470.26, 485,028.09 and 190,325.31 is: 262,648.45
Step by Step Solution
- Step 1: Write the proportion equation
351,470.26 : 485,028.09 = 190,325.31 : x - Step 2: Convert to fraction form
351,470.26/485,028.09 = 190,325.31/x - Step 3: Cross multiply
351,470.26x = 485,028.09 × 190,325.31 - Step 4: Simplify right side
351,470.26x = 92,313,120,636.33 - Step 5: Solve for x
x = 92,313,120,636.33/351,470.26 - Step 6: Final answer
x = 262,648.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.