Finding the Fourth Proportional to 631,888.05, 947,832.08 and 211,163.92
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Solution
The fourth proportional to 631,888.05, 947,832.08 and 211,163.92 is: 316,745.88
Step by Step Solution
- Step 1: Write the proportion equation
631,888.05 : 947,832.08 = 211,163.92 : x - Step 2: Convert to fraction form
631,888.05/947,832.08 = 211,163.92/x - Step 3: Cross multiply
631,888.05x = 947,832.08 × 211,163.92 - Step 4: Simplify right side
631,888.05x = 200,147,936,458.73 - Step 5: Solve for x
x = 200,147,936,458.73/631,888.05 - Step 6: Final answer
x = 316,745.88
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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.