Finding the Fourth Proportional to 292,758.87, 403,845.84 and 202,162.41
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Solution
The fourth proportional to 292,758.87, 403,845.84 and 202,162.41 is: 278,872.67
Step by Step Solution
- Step 1: Write the proportion equation
292,758.87 : 403,845.84 = 202,162.41 : x - Step 2: Convert to fraction form
292,758.87/403,845.84 = 202,162.41/x - Step 3: Cross multiply
292,758.87x = 403,845.84 × 202,162.41 - Step 4: Simplify right side
292,758.87x = 81,642,448,282.87 - Step 5: Solve for x
x = 81,642,448,282.87/292,758.87 - Step 6: Final answer
x = 278,872.67
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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.