Finding the Fourth Proportional to 168,542.04, 252,715.26 and 79,794.80
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Solution
The fourth proportional to 168,542.04, 252,715.26 and 79,794.80 is: 119,645.90
Step by Step Solution
- Step 1: Write the proportion equation
168,542.04 : 252,715.26 = 79,794.80 : x - Step 2: Convert to fraction form
168,542.04/252,715.26 = 79,794.80/x - Step 3: Cross multiply
168,542.04x = 252,715.26 × 79,794.80 - Step 4: Simplify right side
168,542.04x = 20,165,363,628.65 - Step 5: Solve for x
x = 20,165,363,628.65/168,542.04 - Step 6: Final answer
x = 119,645.90
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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.