Finding the Fourth Proportional to 421,519.26, 632,486.47 and 196,847.08
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Solution
The fourth proportional to 421,519.26, 632,486.47 and 196,847.08 is: 295,367.56
Step by Step Solution
- Step 1: Write the proportion equation
421,519.26 : 632,486.47 = 196,847.08 : x - Step 2: Convert to fraction form
421,519.26/632,486.47 = 196,847.08/x - Step 3: Cross multiply
421,519.26x = 632,486.47 × 196,847.08 - Step 4: Simplify right side
421,519.26x = 124,503,113,774.77 - Step 5: Solve for x
x = 124,503,113,774.77/421,519.26 - Step 6: Final answer
x = 295,367.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.