Finding the Fourth Proportional to 113,396.21, 170,132.75 and 50,207.63
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Solution
The fourth proportional to 113,396.21, 170,132.75 and 50,207.63 is: 75,328.46
Step by Step Solution
- Step 1: Write the proportion equation
113,396.21 : 170,132.75 = 50,207.63 : x - Step 2: Convert to fraction form
113,396.21/170,132.75 = 50,207.63/x - Step 3: Cross multiply
113,396.21x = 170,132.75 × 50,207.63 - Step 4: Simplify right side
113,396.21x = 8,541,962,162.88 - Step 5: Solve for x
x = 8,541,962,162.88/113,396.21 - Step 6: Final answer
x = 75,328.46
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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.