Finding the Fourth Proportional to 433,247.30, 649,620.81 and 133,647.44
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Solution
The fourth proportional to 433,247.30, 649,620.81 and 133,647.44 is: 200,393.99
Step by Step Solution
- Step 1: Write the proportion equation
433,247.30 : 649,620.81 = 133,647.44 : x - Step 2: Convert to fraction form
433,247.30/649,620.81 = 133,647.44/x - Step 3: Cross multiply
433,247.30x = 649,620.81 × 133,647.44 - Step 4: Simplify right side
433,247.30x = 86,820,154,979.12 - Step 5: Solve for x
x = 86,820,154,979.12/433,247.30 - Step 6: Final answer
x = 200,393.99
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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.