Finding the Fourth Proportional to 168,196.91, 252,295.36 and 115,446.47
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Solution
The fourth proportional to 168,196.91, 252,295.36 and 115,446.47 is: 173,169.70
Step by Step Solution
- Step 1: Write the proportion equation
168,196.91 : 252,295.36 = 115,446.47 : x - Step 2: Convert to fraction form
168,196.91/252,295.36 = 115,446.47/x - Step 3: Cross multiply
168,196.91x = 252,295.36 × 115,446.47 - Step 4: Simplify right side
168,196.91x = 29,126,606,870.67 - Step 5: Solve for x
x = 29,126,606,870.67/168,196.91 - Step 6: Final answer
x = 173,169.70
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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.