Finding the Fourth Proportional to 351,958.23, 485,704.76 and 190,815.75
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Solution
The fourth proportional to 351,958.23, 485,704.76 and 190,815.75 is: 263,327.03
Step by Step Solution
- Step 1: Write the proportion equation
351,958.23 : 485,704.76 = 190,815.75 : x - Step 2: Convert to fraction form
351,958.23/485,704.76 = 190,815.75/x - Step 3: Cross multiply
351,958.23x = 485,704.76 × 190,815.75 - Step 4: Simplify right side
351,958.23x = 92,680,117,103.89 - Step 5: Solve for x
x = 92,680,117,103.89/351,958.23 - Step 6: Final answer
x = 263,327.03
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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.