Finding the Fourth Proportional to 377,644.86, 521,163.09 and 205,576.97
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Solution
The fourth proportional to 377,644.86, 521,163.09 and 205,576.97 is: 283,703.39
Step by Step Solution
- Step 1: Write the proportion equation
377,644.86 : 521,163.09 = 205,576.97 : x - Step 2: Convert to fraction form
377,644.86/521,163.09 = 205,576.97/x - Step 3: Cross multiply
377,644.86x = 521,163.09 × 205,576.97 - Step 4: Simplify right side
377,644.86x = 107,139,126,312.22 - Step 5: Solve for x
x = 107,139,126,312.22/377,644.86 - Step 6: Final answer
x = 283,703.39
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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.