Finding the Fourth Proportional to 263,751.84, 395,676.36 and 86,268.29
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Solution
The fourth proportional to 263,751.84, 395,676.36 and 86,268.29 is: 129,418.32
Step by Step Solution
- Step 1: Write the proportion equation
263,751.84 : 395,676.36 = 86,268.29 : x - Step 2: Convert to fraction form
263,751.84/395,676.36 = 86,268.29/x - Step 3: Cross multiply
263,751.84x = 395,676.36 × 86,268.29 - Step 4: Simplify right side
263,751.84x = 34,134,320,992.24 - Step 5: Solve for x
x = 34,134,320,992.24/263,751.84 - Step 6: Final answer
x = 129,418.32
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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.