Finding the Fourth Proportional to 170,743.14, 255,907.35 and 120,837.83
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Solution
The fourth proportional to 170,743.14, 255,907.35 and 120,837.83 is: 181,109.99
Step by Step Solution
- Step 1: Write the proportion equation
170,743.14 : 255,907.35 = 120,837.83 : x - Step 2: Convert to fraction form
170,743.14/255,907.35 = 120,837.83/x - Step 3: Cross multiply
170,743.14x = 255,907.35 × 120,837.83 - Step 4: Simplify right side
170,743.14x = 30,923,287,575.51 - Step 5: Solve for x
x = 30,923,287,575.51/170,743.14 - Step 6: Final answer
x = 181,109.99
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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.