Finding the Fourth Proportional to 252,177.70, 378,266.55 and 134,079.70
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Solution
The fourth proportional to 252,177.70, 378,266.55 and 134,079.70 is: 201,119.55
Step by Step Solution
- Step 1: Write the proportion equation
252,177.70 : 378,266.55 = 134,079.70 : x - Step 2: Convert to fraction form
252,177.70/378,266.55 = 134,079.70/x - Step 3: Cross multiply
252,177.70x = 378,266.55 × 134,079.70 - Step 4: Simplify right side
252,177.70x = 50,717,865,544.04 - Step 5: Solve for x
x = 50,717,865,544.04/252,177.70 - Step 6: Final answer
x = 201,119.55
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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.