Finding the Fourth Proportional to 168,197.16, 252,295.73 and 115,446.72
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Solution
The fourth proportional to 168,197.16, 252,295.73 and 115,446.72 is: 173,170.07
Step by Step Solution
- Step 1: Write the proportion equation
168,197.16 : 252,295.73 = 115,446.72 : x - Step 2: Convert to fraction form
168,197.16/252,295.73 = 115,446.72/x - Step 3: Cross multiply
168,197.16x = 252,295.73 × 115,446.72 - Step 4: Simplify right side
168,197.16x = 29,126,713,237.03 - Step 5: Solve for x
x = 29,126,713,237.03/168,197.16 - Step 6: Final answer
x = 173,170.07
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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.