Finding the Fourth Proportional to 213,546.24, 294,674.22 and 122,878.08
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Solution
The fourth proportional to 213,546.24, 294,674.22 and 122,878.08 is: 169,560.48
Step by Step Solution
- Step 1: Write the proportion equation
213,546.24 : 294,674.22 = 122,878.08 : x - Step 2: Convert to fraction form
213,546.24/294,674.22 = 122,878.08/x - Step 3: Cross multiply
213,546.24x = 294,674.22 × 122,878.08 - Step 4: Simplify right side
213,546.24x = 36,209,002,379.10 - Step 5: Solve for x
x = 36,209,002,379.10/213,546.24 - Step 6: Final answer
x = 169,560.48
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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.