Finding the Fourth Proportional to 269,674.20, 403,880.58 and 213,134.85
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Solution
The fourth proportional to 269,674.20, 403,880.58 and 213,134.85 is: 319,203.79
Step by Step Solution
- Step 1: Write the proportion equation
269,674.20 : 403,880.58 = 213,134.85 : x - Step 2: Convert to fraction form
269,674.20/403,880.58 = 213,134.85/x - Step 3: Cross multiply
269,674.20x = 403,880.58 × 213,134.85 - Step 4: Simplify right side
269,674.20x = 86,081,026,836.21 - Step 5: Solve for x
x = 86,081,026,836.21/269,674.20 - Step 6: Final answer
x = 319,203.79
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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.