Finding the Fourth Proportional to 323,079.77, 445,842.68 and 202,287.65
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Solution
The fourth proportional to 323,079.77, 445,842.68 and 202,287.65 is: 279,152.32
Step by Step Solution
- Step 1: Write the proportion equation
323,079.77 : 445,842.68 = 202,287.65 : x - Step 2: Convert to fraction form
323,079.77/445,842.68 = 202,287.65/x - Step 3: Cross multiply
323,079.77x = 445,842.68 × 202,287.65 - Step 4: Simplify right side
323,079.77x = 90,188,464,766.25 - Step 5: Solve for x
x = 90,188,464,766.25/323,079.77 - Step 6: Final answer
x = 279,152.32
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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.