Finding the Fourth Proportional to 432,861.66, 649,362.21 and 133,342.14
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Solution
The fourth proportional to 432,861.66, 649,362.21 and 133,342.14 is: 200,034.69
Step by Step Solution
- Step 1: Write the proportion equation
432,861.66 : 649,362.21 = 133,342.14 : x - Step 2: Convert to fraction form
432,861.66/649,362.21 = 133,342.14/x - Step 3: Cross multiply
432,861.66x = 649,362.21 × 133,342.14 - Step 4: Simplify right side
432,861.66x = 86,587,346,716.53 - Step 5: Solve for x
x = 86,587,346,716.53/432,861.66 - Step 6: Final answer
x = 200,034.69
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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.