Finding the Fourth Proportional to 226,214.74, 339,318.60 and 55,438.12
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Solution
The fourth proportional to 226,214.74, 339,318.60 and 55,438.12 is: 83,156.32
Step by Step Solution
- Step 1: Write the proportion equation
226,214.74 : 339,318.60 = 55,438.12 : x - Step 2: Convert to fraction form
226,214.74/339,318.60 = 55,438.12/x - Step 3: Cross multiply
226,214.74x = 339,318.60 × 55,438.12 - Step 4: Simplify right side
226,214.74x = 18,811,185,265.03 - Step 5: Solve for x
x = 18,811,185,265.03/226,214.74 - Step 6: Final answer
x = 83,156.32
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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.