Finding the Fourth Proportional to 738,449.46, 1,107,674.10 and 177,483.96
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Solution
The fourth proportional to 738,449.46, 1,107,674.10 and 177,483.96 is: 266,225.92
Step by Step Solution
- Step 1: Write the proportion equation
738,449.46 : 1,107,674.10 = 177,483.96 : x - Step 2: Convert to fraction form
738,449.46/1,107,674.10 = 177,483.96/x - Step 3: Cross multiply
738,449.46x = 1,107,674.10 × 177,483.96 - Step 4: Simplify right side
738,449.46x = 196,594,385,657.44 - Step 5: Solve for x
x = 196,594,385,657.44/738,449.46 - Step 6: Final answer
x = 266,225.92
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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.