Finding the Fourth Proportional to 168,541.92, 252,715.07 and 79,794.68
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Solution
The fourth proportional to 168,541.92, 252,715.07 and 79,794.68 is: 119,645.71
Step by Step Solution
- Step 1: Write the proportion equation
168,541.92 : 252,715.07 = 79,794.68 : x - Step 2: Convert to fraction form
168,541.92/252,715.07 = 79,794.68/x - Step 3: Cross multiply
168,541.92x = 252,715.07 × 79,794.68 - Step 4: Simplify right side
168,541.92x = 20,165,317,077.74 - Step 5: Solve for x
x = 20,165,317,077.74/168,541.92 - Step 6: Final answer
x = 119,645.71
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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.