Finding the Fourth Proportional to 445,187.36, 667,864.56 and 178,968.08
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Solution
The fourth proportional to 445,187.36, 667,864.56 and 178,968.08 is: 268,485.70
Step by Step Solution
- Step 1: Write the proportion equation
445,187.36 : 667,864.56 = 178,968.08 : x - Step 2: Convert to fraction form
445,187.36/667,864.56 = 178,968.08/x - Step 3: Cross multiply
445,187.36x = 667,864.56 × 178,968.08 - Step 4: Simplify right side
445,187.36x = 119,526,438,003.25 - Step 5: Solve for x
x = 119,526,438,003.25/445,187.36 - Step 6: Final answer
x = 268,485.70
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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.