Finding the Fourth Proportional to 351,615.09, 485,231.16 and 190,470.15
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Solution
The fourth proportional to 351,615.09, 485,231.16 and 190,470.15 is: 262,850.07
Step by Step Solution
- Step 1: Write the proportion equation
351,615.09 : 485,231.16 = 190,470.15 : x - Step 2: Convert to fraction form
351,615.09/485,231.16 = 190,470.15/x - Step 3: Cross multiply
351,615.09x = 485,231.16 × 190,470.15 - Step 4: Simplify right side
351,615.09x = 92,422,051,829.87 - Step 5: Solve for x
x = 92,422,051,829.87/351,615.09 - Step 6: Final answer
x = 262,850.07
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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.