Finding the Fourth Proportional to 226,297.36, 339,563.84 and 91,394.76
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Solution
The fourth proportional to 226,297.36, 339,563.84 and 91,394.76 is: 137,139.72
Step by Step Solution
- Step 1: Write the proportion equation
226,297.36 : 339,563.84 = 91,394.76 : x - Step 2: Convert to fraction form
226,297.36/339,563.84 = 91,394.76/x - Step 3: Cross multiply
226,297.36x = 339,563.84 × 91,394.76 - Step 4: Simplify right side
226,297.36x = 31,034,355,661.48 - Step 5: Solve for x
x = 31,034,355,661.48/226,297.36 - Step 6: Final answer
x = 137,139.72
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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.