Finding the Fourth Proportional to 381,336.28, 526,306.86 and 211,625.08
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Solution
The fourth proportional to 381,336.28, 526,306.86 and 211,625.08 is: 292,077.46
Step by Step Solution
- Step 1: Write the proportion equation
381,336.28 : 526,306.86 = 211,625.08 : x - Step 2: Convert to fraction form
381,336.28/526,306.86 = 211,625.08/x - Step 3: Cross multiply
381,336.28x = 526,306.86 × 211,625.08 - Step 4: Simplify right side
381,336.28x = 111,379,731,352.05 - Step 5: Solve for x
x = 111,379,731,352.05/381,336.28 - Step 6: Final answer
x = 292,077.46
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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.