Finding the Fourth Proportional to 252,104.80, 378,157.20 and 177,455.20
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Solution
The fourth proportional to 252,104.80, 378,157.20 and 177,455.20 is: 266,182.80
Step by Step Solution
- Step 1: Write the proportion equation
252,104.80 : 378,157.20 = 177,455.20 : x - Step 2: Convert to fraction form
252,104.80/378,157.20 = 177,455.20/x - Step 3: Cross multiply
252,104.80x = 378,157.20 × 177,455.20 - Step 4: Simplify right side
252,104.80x = 67,105,961,557.44 - Step 5: Solve for x
x = 67,105,961,557.44/252,104.80 - Step 6: Final answer
x = 266,182.80
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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.