Finding the Fourth Proportional to 738,199.80, 1,107,299.70 and 177,234.30
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Solution
The fourth proportional to 738,199.80, 1,107,299.70 and 177,234.30 is: 265,851.45
Step by Step Solution
- Step 1: Write the proportion equation
738,199.80 : 1,107,299.70 = 177,234.30 : x - Step 2: Convert to fraction form
738,199.80/1,107,299.70 = 177,234.30/x - Step 3: Cross multiply
738,199.80x = 1,107,299.70 × 177,234.30 - Step 4: Simplify right side
738,199.80x = 196,251,487,219.71 - Step 5: Solve for x
x = 196,251,487,219.71/738,199.80 - Step 6: Final answer
x = 265,851.45
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Similar ratio
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1.5x scale
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.