Finding the Fourth Proportional to 178,431.11, 246,238.08 and 97,857.94
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Solution
The fourth proportional to 178,431.11, 246,238.08 and 97,857.94 is: 135,045.68
Step by Step Solution
- Step 1: Write the proportion equation
178,431.11 : 246,238.08 = 97,857.94 : x - Step 2: Convert to fraction form
178,431.11/246,238.08 = 97,857.94/x - Step 3: Cross multiply
178,431.11x = 246,238.08 × 97,857.94 - Step 4: Simplify right side
178,431.11x = 24,096,350,027.16 - Step 5: Solve for x
x = 24,096,350,027.16/178,431.11 - Step 6: Final answer
x = 135,045.68
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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.