Finding the Fourth Proportional to 329,991.19, 494,995.33 and 105,351.44
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Solution
The fourth proportional to 329,991.19, 494,995.33 and 105,351.44 is: 158,029.88
Step by Step Solution
- Step 1: Write the proportion equation
329,991.19 : 494,995.33 = 105,351.44 : x - Step 2: Convert to fraction form
329,991.19/494,995.33 = 105,351.44/x - Step 3: Cross multiply
329,991.19x = 494,995.33 × 105,351.44 - Step 4: Simplify right side
329,991.19x = 52,148,468,169.19 - Step 5: Solve for x
x = 52,148,468,169.19/329,991.19 - Step 6: Final answer
x = 158,029.88
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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.