Finding the Fourth Proportional to 135,863.14, 203,729.16 and 56,956.18
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Solution
The fourth proportional to 135,863.14, 203,729.16 and 56,956.18 is: 85,406.79
Step by Step Solution
- Step 1: Write the proportion equation
135,863.14 : 203,729.16 = 56,956.18 : x - Step 2: Convert to fraction form
135,863.14/203,729.16 = 56,956.18/x - Step 3: Cross multiply
135,863.14x = 203,729.16 × 56,956.18 - Step 4: Simplify right side
135,863.14x = 11,603,634,708.21 - Step 5: Solve for x
x = 11,603,634,708.21/135,863.14 - Step 6: Final answer
x = 85,406.79
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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.