Finding the Fourth Proportional to 174,124.12, 260,939.82 and 74,183.68
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Solution
The fourth proportional to 174,124.12, 260,939.82 and 74,183.68 is: 111,170.56
Step by Step Solution
- Step 1: Write the proportion equation
174,124.12 : 260,939.82 = 74,183.68 : x - Step 2: Convert to fraction form
174,124.12/260,939.82 = 74,183.68/x - Step 3: Cross multiply
174,124.12x = 260,939.82 × 74,183.68 - Step 4: Simplify right side
174,124.12x = 19,357,476,106.14 - Step 5: Solve for x
x = 19,357,476,106.14/174,124.12 - Step 6: Final answer
x = 111,170.56
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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.