Finding the Fourth Proportional to 331,207.80, 457,063.98 and 180,304.44
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Solution
The fourth proportional to 331,207.80, 457,063.98 and 180,304.44 is: 248,818.61
Step by Step Solution
- Step 1: Write the proportion equation
331,207.80 : 457,063.98 = 180,304.44 : x - Step 2: Convert to fraction form
331,207.80/457,063.98 = 180,304.44/x - Step 3: Cross multiply
331,207.80x = 457,063.98 × 180,304.44 - Step 4: Simplify right side
331,207.80x = 82,410,664,958.07 - Step 5: Solve for x
x = 82,410,664,958.07/331,207.80 - Step 6: Final answer
x = 248,818.61
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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.