Finding the Fourth Proportional to 290,596.24, 401,027.60 and 159,779.44
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Solution
The fourth proportional to 290,596.24, 401,027.60 and 159,779.44 is: 220,498.26
Step by Step Solution
- Step 1: Write the proportion equation
290,596.24 : 401,027.60 = 159,779.44 : x - Step 2: Convert to fraction form
290,596.24/401,027.60 = 159,779.44/x - Step 3: Cross multiply
290,596.24x = 401,027.60 × 159,779.44 - Step 4: Simplify right side
290,596.24x = 64,075,965,352.54 - Step 5: Solve for x
x = 64,075,965,352.54/290,596.24 - Step 6: Final answer
x = 220,498.26
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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.