Finding the Fourth Proportional to 295,745.75, 408,129.32 and 159,779.62
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Solution
The fourth proportional to 295,745.75, 408,129.32 and 159,779.62 is: 220,495.98
Step by Step Solution
- Step 1: Write the proportion equation
295,745.75 : 408,129.32 = 159,779.62 : x - Step 2: Convert to fraction form
295,745.75/408,129.32 = 159,779.62/x - Step 3: Cross multiply
295,745.75x = 408,129.32 × 159,779.62 - Step 4: Simplify right side
295,745.75x = 65,210,748,570.07 - Step 5: Solve for x
x = 65,210,748,570.07/295,745.75 - Step 6: Final answer
x = 220,495.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.