Finding the Fourth Proportional to 213,169.95, 294,173.10 and 117,676.62
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Solution
The fourth proportional to 213,169.95, 294,173.10 and 117,676.62 is: 162,392.95
Step by Step Solution
- Step 1: Write the proportion equation
213,169.95 : 294,173.10 = 117,676.62 : x - Step 2: Convert to fraction form
213,169.95/294,173.10 = 117,676.62/x - Step 3: Cross multiply
213,169.95x = 294,173.10 × 117,676.62 - Step 4: Simplify right side
213,169.95x = 34,617,296,102.92 - Step 5: Solve for x
x = 34,617,296,102.92/213,169.95 - Step 6: Final answer
x = 162,392.95
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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.