Finding the Fourth Proportional to 381,335.28, 526,305.48 and 211,624.08
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Solution
The fourth proportional to 381,335.28, 526,305.48 and 211,624.08 is: 292,076.08
Step by Step Solution
- Step 1: Write the proportion equation
381,335.28 : 526,305.48 = 211,624.08 : x - Step 2: Convert to fraction form
381,335.28/526,305.48 = 211,624.08/x - Step 3: Cross multiply
381,335.28x = 526,305.48 × 211,624.08 - Step 4: Simplify right side
381,335.28x = 111,378,913,003.96 - Step 5: Solve for x
x = 111,378,913,003.96/381,335.28 - Step 6: Final answer
x = 292,076.08
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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.