Finding the Fourth Proportional to 433,261.20, 649,891.80 and 133,715.10
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Solution
The fourth proportional to 433,261.20, 649,891.80 and 133,715.10 is: 200,572.65
Step by Step Solution
- Step 1: Write the proportion equation
433,261.20 : 649,891.80 = 133,715.10 : x - Step 2: Convert to fraction form
433,261.20/649,891.80 = 133,715.10/x - Step 3: Cross multiply
433,261.20x = 649,891.80 × 133,715.10 - Step 4: Simplify right side
433,261.20x = 86,900,347,026.18 - Step 5: Solve for x
x = 86,900,347,026.18/433,261.20 - Step 6: Final answer
x = 200,572.65
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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.