Finding the Fourth Proportional to 501,163.20, 751,412.70 and 276,631.20
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Solution
The fourth proportional to 501,163.20, 751,412.70 and 276,631.20 is: 414,763.49
Step by Step Solution
- Step 1: Write the proportion equation
501,163.20 : 751,412.70 = 276,631.20 : x - Step 2: Convert to fraction form
501,163.20/751,412.70 = 276,631.20/x - Step 3: Cross multiply
501,163.20x = 751,412.70 × 276,631.20 - Step 4: Simplify right side
501,163.20x = 207,864,196,896.24 - Step 5: Solve for x
x = 207,864,196,896.24/501,163.20 - Step 6: Final answer
x = 414,763.49
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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.