Finding the Fourth Proportional to 263,164.84, 394,772.16 and 73,625.28
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Solution
The fourth proportional to 263,164.84, 394,772.16 and 73,625.28 is: 110,444.89
Step by Step Solution
- Step 1: Write the proportion equation
263,164.84 : 394,772.16 = 73,625.28 : x - Step 2: Convert to fraction form
263,164.84/394,772.16 = 73,625.28/x - Step 3: Cross multiply
263,164.84x = 394,772.16 × 73,625.28 - Step 4: Simplify right side
263,164.84x = 29,065,210,816.20 - Step 5: Solve for x
x = 29,065,210,816.20/263,164.84 - Step 6: Final answer
x = 110,444.89
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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.