Finding the Fourth Proportional to 304,849.71, 420,762.60 and 202,879.49
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Solution
The fourth proportional to 304,849.71, 420,762.60 and 202,879.49 is: 280,020.27
Step by Step Solution
- Step 1: Write the proportion equation
304,849.71 : 420,762.60 = 202,879.49 : x - Step 2: Convert to fraction form
304,849.71/420,762.60 = 202,879.49/x - Step 3: Cross multiply
304,849.71x = 420,762.60 × 202,879.49 - Step 4: Simplify right side
304,849.71x = 85,364,099,595.26 - Step 5: Solve for x
x = 85,364,099,595.26/304,849.71 - Step 6: Final answer
x = 280,020.27
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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.