Finding the Fourth Proportional to 274,844.12, 379,298.58 and 167,396.92
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Solution
The fourth proportional to 274,844.12, 379,298.58 and 167,396.92 is: 231,016.09
Step by Step Solution
- Step 1: Write the proportion equation
274,844.12 : 379,298.58 = 167,396.92 : x - Step 2: Convert to fraction form
274,844.12/379,298.58 = 167,396.92/x - Step 3: Cross multiply
274,844.12x = 379,298.58 × 167,396.92 - Step 4: Simplify right side
274,844.12x = 63,493,414,052.37 - Step 5: Solve for x
x = 63,493,414,052.37/274,844.12 - Step 6: Final answer
x = 231,016.09
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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.