Finding the Fourth Proportional to 405,070.26, 607,190.64 and 168,550.26
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Solution
The fourth proportional to 405,070.26, 607,190.64 and 168,550.26 is: 252,652.81
Step by Step Solution
- Step 1: Write the proportion equation
405,070.26 : 607,190.64 = 168,550.26 : x - Step 2: Convert to fraction form
405,070.26/607,190.64 = 168,550.26/x - Step 3: Cross multiply
405,070.26x = 607,190.64 × 168,550.26 - Step 4: Simplify right side
405,070.26x = 102,342,140,241.57 - Step 5: Solve for x
x = 102,342,140,241.57/405,070.26 - Step 6: Final answer
x = 252,652.81
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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.