Finding the Fourth Proportional to 218,703.52, 327,314.35 and 134,517.09
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Solution
The fourth proportional to 218,703.52, 327,314.35 and 134,517.09 is: 201,319.91
Step by Step Solution
- Step 1: Write the proportion equation
218,703.52 : 327,314.35 = 134,517.09 : x - Step 2: Convert to fraction form
218,703.52/327,314.35 = 134,517.09/x - Step 3: Cross multiply
218,703.52x = 327,314.35 × 134,517.09 - Step 4: Simplify right side
218,703.52x = 44,029,373,877.24 - Step 5: Solve for x
x = 44,029,373,877.24/218,703.52 - Step 6: Final answer
x = 201,319.91
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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.