Finding the Fourth Proportional to 177,685.11, 245,198.34 and 97,113.60
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Solution
The fourth proportional to 177,685.11, 245,198.34 and 97,113.60 is: 134,012.88
Step by Step Solution
- Step 1: Write the proportion equation
177,685.11 : 245,198.34 = 97,113.60 : x - Step 2: Convert to fraction form
177,685.11/245,198.34 = 97,113.60/x - Step 3: Cross multiply
177,685.11x = 245,198.34 × 97,113.60 - Step 4: Simplify right side
177,685.11x = 23,812,093,511.42 - Step 5: Solve for x
x = 23,812,093,511.42/177,685.11 - Step 6: Final answer
x = 134,012.88
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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.