Finding the Fourth Proportional to 691,122.36, 1,036,613.44 and 185,617.64
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Solution
The fourth proportional to 691,122.36, 1,036,613.44 and 185,617.64 is: 278,407.63
Step by Step Solution
- Step 1: Write the proportion equation
691,122.36 : 1,036,613.44 = 185,617.64 : x - Step 2: Convert to fraction form
691,122.36/1,036,613.44 = 185,617.64/x - Step 3: Cross multiply
691,122.36x = 1,036,613.44 × 185,617.64 - Step 4: Simplify right side
691,122.36x = 192,413,740,325.08 - Step 5: Solve for x
x = 192,413,740,325.08/691,122.36 - Step 6: Final answer
x = 278,407.63
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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.