Finding the Fourth Proportional to 329,241.29, 493,634.99 and 129,584.60
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Solution
The fourth proportional to 329,241.29, 493,634.99 and 129,584.60 is: 194,287.58
Step by Step Solution
- Step 1: Write the proportion equation
329,241.29 : 493,634.99 = 129,584.60 : x - Step 2: Convert to fraction form
329,241.29/493,634.99 = 129,584.60/x - Step 3: Cross multiply
329,241.29x = 493,634.99 × 129,584.60 - Step 4: Simplify right side
329,241.29x = 63,967,494,283.20 - Step 5: Solve for x
x = 63,967,494,283.20/329,241.29 - Step 6: Final answer
x = 194,287.58
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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.