Finding the Fourth Proportional to 135,883.15, 203,758.88 and 56,976.19
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Solution
The fourth proportional to 135,883.15, 203,758.88 and 56,976.19 is: 85,436.68
Step by Step Solution
- Step 1: Write the proportion equation
135,883.15 : 203,758.88 = 56,976.19 : x - Step 2: Convert to fraction form
135,883.15/203,758.88 = 56,976.19/x - Step 3: Cross multiply
135,883.15x = 203,758.88 × 56,976.19 - Step 4: Simplify right side
135,883.15x = 11,609,404,661.07 - Step 5: Solve for x
x = 11,609,404,661.07/135,883.15 - Step 6: Final answer
x = 85,436.68
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1.5x scale
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.