Finding the Fourth Proportional to 319,491.02, 441,042.43 and 203,252.28
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Solution
The fourth proportional to 319,491.02, 441,042.43 and 203,252.28 is: 280,580.28
Step by Step Solution
- Step 1: Write the proportion equation
319,491.02 : 441,042.43 = 203,252.28 : x - Step 2: Convert to fraction form
319,491.02/441,042.43 = 203,252.28/x - Step 3: Cross multiply
319,491.02x = 441,042.43 × 203,252.28 - Step 4: Simplify right side
319,491.02x = 89,642,879,474.24 - Step 5: Solve for x
x = 89,642,879,474.24/319,491.02 - Step 6: Final answer
x = 280,580.28
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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.