Finding the Fourth Proportional to 433,247.42, 649,620.98 and 133,647.56
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Solution
The fourth proportional to 433,247.42, 649,620.98 and 133,647.56 is: 200,394.17
Step by Step Solution
- Step 1: Write the proportion equation
433,247.42 : 649,620.98 = 133,647.56 : x - Step 2: Convert to fraction form
433,247.42/649,620.98 = 133,647.56/x - Step 3: Cross multiply
433,247.42x = 649,620.98 × 133,647.56 - Step 4: Simplify right side
433,247.42x = 86,820,258,901.81 - Step 5: Solve for x
x = 86,820,258,901.81/433,247.42 - Step 6: Final answer
x = 200,394.17
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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.