Finding the Fourth Proportional to 445,187.65, 667,771.74 and 108,230.08
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Solution
The fourth proportional to 445,187.65, 667,771.74 and 108,230.08 is: 162,342.75
Step by Step Solution
- Step 1: Write the proportion equation
445,187.65 : 667,771.74 = 108,230.08 : x - Step 2: Convert to fraction form
445,187.65/667,771.74 = 108,230.08/x - Step 3: Cross multiply
445,187.65x = 667,771.74 × 108,230.08 - Step 4: Simplify right side
445,187.65x = 72,272,988,841.94 - Step 5: Solve for x
x = 72,272,988,841.94/445,187.65 - Step 6: Final answer
x = 162,342.75
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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.