Finding the Fourth Proportional to 263,459.75, 395,190.63 and 63,779.81
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Solution
The fourth proportional to 263,459.75, 395,190.63 and 63,779.81 is: 95,669.95
Step by Step Solution
- Step 1: Write the proportion equation
263,459.75 : 395,190.63 = 63,779.81 : x - Step 2: Convert to fraction form
263,459.75/395,190.63 = 63,779.81/x - Step 3: Cross multiply
263,459.75x = 395,190.63 × 63,779.81 - Step 4: Simplify right side
263,459.75x = 25,205,181,319.23 - Step 5: Solve for x
x = 25,205,181,319.23/263,459.75 - Step 6: Final answer
x = 95,669.95
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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.