Finding the Fourth Proportional to 329,072.99, 493,609.49 and 79,754.99
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Solution
The fourth proportional to 329,072.99, 493,609.49 and 79,754.99 is: 119,632.49
Step by Step Solution
- Step 1: Write the proportion equation
329,072.99 : 493,609.49 = 79,754.99 : x - Step 2: Convert to fraction form
329,072.99/493,609.49 = 79,754.99/x - Step 3: Cross multiply
329,072.99x = 493,609.49 × 79,754.99 - Step 4: Simplify right side
329,072.99x = 39,367,819,938.86 - Step 5: Solve for x
x = 39,367,819,938.86/329,072.99 - Step 6: Final answer
x = 119,632.49
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Similar ratio
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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.