Finding the Fourth Proportional to 192,790.76, 266,051.21 and 107,907.84
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Solution
The fourth proportional to 192,790.76, 266,051.21 and 107,907.84 is: 148,912.80
Step by Step Solution
- Step 1: Write the proportion equation
192,790.76 : 266,051.21 = 107,907.84 : x - Step 2: Convert to fraction form
192,790.76/266,051.21 = 107,907.84/x - Step 3: Cross multiply
192,790.76x = 266,051.21 × 107,907.84 - Step 4: Simplify right side
192,790.76x = 28,709,010,860.95 - Step 5: Solve for x
x = 28,709,010,860.95/192,790.76 - Step 6: Final answer
x = 148,912.80
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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.