Finding the Fourth Proportional to 192,555.39, 288,658.12 and 87,316.95
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Solution
The fourth proportional to 192,555.39, 288,658.12 and 87,316.95 is: 130,896.08
Step by Step Solution
- Step 1: Write the proportion equation
192,555.39 : 288,658.12 = 87,316.95 : x - Step 2: Convert to fraction form
192,555.39/288,658.12 = 87,316.95/x - Step 3: Cross multiply
192,555.39x = 288,658.12 × 87,316.95 - Step 4: Simplify right side
192,555.39x = 25,204,744,751.26 - Step 5: Solve for x
x = 25,204,744,751.26/192,555.39 - Step 6: Final answer
x = 130,896.08
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1.5x scale
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.