Finding the Fourth Proportional to 263,418.93, 395,217.09 and 83,533.77
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Solution
The fourth proportional to 263,418.93, 395,217.09 and 83,533.77 is: 125,328.78
Step by Step Solution
- Step 1: Write the proportion equation
263,418.93 : 395,217.09 = 83,533.77 : x - Step 2: Convert to fraction form
263,418.93/395,217.09 = 83,533.77/x - Step 3: Cross multiply
263,418.93x = 395,217.09 × 83,533.77 - Step 4: Simplify right side
263,418.93x = 33,013,973,496.13 - Step 5: Solve for x
x = 33,013,973,496.13/263,418.93 - Step 6: Final answer
x = 125,328.78
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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.