Finding the Fourth Proportional to 188,452.37, 260,124.88 and 120,651.95
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Solution
The fourth proportional to 188,452.37, 260,124.88 and 120,651.95 is: 166,538.50
Step by Step Solution
- Step 1: Write the proportion equation
188,452.37 : 260,124.88 = 120,651.95 : x - Step 2: Convert to fraction form
188,452.37/260,124.88 = 120,651.95/x - Step 3: Cross multiply
188,452.37x = 260,124.88 × 120,651.95 - Step 4: Simplify right side
188,452.37x = 31,384,573,412.26 - Step 5: Solve for x
x = 31,384,573,412.26/188,452.37 - Step 6: Final answer
x = 166,538.50
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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.