Finding the Fourth Proportional to 307,163.78, 423,890.26 and 171,193.94
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Solution
The fourth proportional to 307,163.78, 423,890.26 and 171,193.94 is: 236,250.00
Step by Step Solution
- Step 1: Write the proportion equation
307,163.78 : 423,890.26 = 171,193.94 : x - Step 2: Convert to fraction form
307,163.78/423,890.26 = 171,193.94/x - Step 3: Cross multiply
307,163.78x = 423,890.26 × 171,193.94 - Step 4: Simplify right side
307,163.78x = 72,567,443,737.02 - Step 5: Solve for x
x = 72,567,443,737.02/307,163.78 - Step 6: Final answer
x = 236,250.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.