Finding the Fourth Proportional to 326,660.42, 490,059.89 and 116,297.75
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Solution
The fourth proportional to 326,660.42, 490,059.89 and 116,297.75 is: 174,471.28
Step by Step Solution
- Step 1: Write the proportion equation
326,660.42 : 490,059.89 = 116,297.75 : x - Step 2: Convert to fraction form
326,660.42/490,059.89 = 116,297.75/x - Step 3: Cross multiply
326,660.42x = 490,059.89 × 116,297.75 - Step 4: Simplify right side
326,660.42x = 56,992,862,572.25 - Step 5: Solve for x
x = 56,992,862,572.25/326,660.42 - Step 6: Final answer
x = 174,471.28
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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.