Finding the Fourth Proportional to 195,743.16, 293,404.84 and 128,249.70
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Solution
The fourth proportional to 195,743.16, 293,404.84 and 128,249.70 is: 192,237.02
Step by Step Solution
- Step 1: Write the proportion equation
195,743.16 : 293,404.84 = 128,249.70 : x - Step 2: Convert to fraction form
195,743.16/293,404.84 = 128,249.70/x - Step 3: Cross multiply
195,743.16x = 293,404.84 × 128,249.70 - Step 4: Simplify right side
195,743.16x = 37,629,082,708.55 - Step 5: Solve for x
x = 37,629,082,708.55/195,743.16 - Step 6: Final answer
x = 192,237.02
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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.