Finding the Fourth Proportional to 132,394.24, 182,745.85 and 84,647.78
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Solution
The fourth proportional to 132,394.24, 182,745.85 and 84,647.78 is: 116,840.65
Step by Step Solution
- Step 1: Write the proportion equation
132,394.24 : 182,745.85 = 84,647.78 : x - Step 2: Convert to fraction form
132,394.24/182,745.85 = 84,647.78/x - Step 3: Cross multiply
132,394.24x = 182,745.85 × 84,647.78 - Step 4: Simplify right side
132,394.24x = 15,469,029,381.36 - Step 5: Solve for x
x = 15,469,029,381.36/132,394.24 - Step 6: Final answer
x = 116,840.65
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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.