Finding the Fourth Proportional to 345,872.91, 477,410.97 and 202,679.08
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Solution
The fourth proportional to 345,872.91, 477,410.97 and 202,679.08 is: 279,759.45
Step by Step Solution
- Step 1: Write the proportion equation
345,872.91 : 477,410.97 = 202,679.08 : x - Step 2: Convert to fraction form
345,872.91/477,410.97 = 202,679.08/x - Step 3: Cross multiply
345,872.91x = 477,410.97 × 202,679.08 - Step 4: Simplify right side
345,872.91x = 96,761,216,181.51 - Step 5: Solve for x
x = 96,761,216,181.51/345,872.91 - Step 6: Final answer
x = 279,759.45
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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.