Finding the Fourth Proportional to 381,380.96, 526,304.04 and 211,614.68
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Solution
The fourth proportional to 381,380.96, 526,304.04 and 211,614.68 is: 292,027.32
Step by Step Solution
- Step 1: Write the proportion equation
381,380.96 : 526,304.04 = 211,614.68 : x - Step 2: Convert to fraction form
381,380.96/526,304.04 = 211,614.68/x - Step 3: Cross multiply
381,380.96x = 526,304.04 × 211,614.68 - Step 4: Simplify right side
381,380.96x = 111,373,661,007.31 - Step 5: Solve for x
x = 111,373,661,007.31/381,380.96 - Step 6: Final answer
x = 292,027.32
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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.