Finding the Fourth Proportional to 252,844.40, 378,829.20 and 164,052.20
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Solution
The fourth proportional to 252,844.40, 378,829.20 and 164,052.20 is: 245,794.50
Step by Step Solution
- Step 1: Write the proportion equation
252,844.40 : 378,829.20 = 164,052.20 : x - Step 2: Convert to fraction form
252,844.40/378,829.20 = 164,052.20/x - Step 3: Cross multiply
252,844.40x = 378,829.20 × 164,052.20 - Step 4: Simplify right side
252,844.40x = 62,147,763,684.24 - Step 5: Solve for x
x = 62,147,763,684.24/252,844.40 - Step 6: Final answer
x = 245,794.50
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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.