Finding the Fourth Proportional to 492,247.68, 738,056.08 and 207,861.20
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Solution
The fourth proportional to 492,247.68, 738,056.08 and 207,861.20 is: 311,658.60
Step by Step Solution
- Step 1: Write the proportion equation
492,247.68 : 738,056.08 = 207,861.20 : x - Step 2: Convert to fraction form
492,247.68/738,056.08 = 207,861.20/x - Step 3: Cross multiply
492,247.68x = 738,056.08 × 207,861.20 - Step 4: Simplify right side
492,247.68x = 153,413,222,456.10 - Step 5: Solve for x
x = 153,413,222,456.10/492,247.68 - Step 6: Final answer
x = 311,658.60
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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.