Finding the Fourth Proportional to 263,844.24, 395,803.35 and 86,365.32
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Solution
The fourth proportional to 263,844.24, 395,803.35 and 86,365.32 is: 129,560.09
Step by Step Solution
- Step 1: Write the proportion equation
263,844.24 : 395,803.35 = 86,365.32 : x - Step 2: Convert to fraction form
263,844.24/395,803.35 = 86,365.32/x - Step 3: Cross multiply
263,844.24x = 395,803.35 × 86,365.32 - Step 4: Simplify right side
263,844.24x = 34,183,682,979.82 - Step 5: Solve for x
x = 34,183,682,979.82/263,844.24 - Step 6: Final answer
x = 129,560.09
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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.