Finding the Fourth Proportional to 218,702.52, 327,312.86 and 134,516.09
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Solution
The fourth proportional to 218,702.52, 327,312.86 and 134,516.09 is: 201,318.42
Step by Step Solution
- Step 1: Write the proportion equation
218,702.52 : 327,312.86 = 134,516.09 : x - Step 2: Convert to fraction form
218,702.52/327,312.86 = 134,516.09/x - Step 3: Cross multiply
218,702.52x = 327,312.86 × 134,516.09 - Step 4: Simplify right side
218,702.52x = 44,028,846,279.62 - Step 5: Solve for x
x = 44,028,846,279.62/218,702.52 - Step 6: Final answer
x = 201,318.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.