Finding the Fourth Proportional to 236,589.05, 326,497.83 and 129,163.61
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Solution
The fourth proportional to 236,589.05, 326,497.83 and 129,163.61 is: 178,248.48
Step by Step Solution
- Step 1: Write the proportion equation
236,589.05 : 326,497.83 = 129,163.61 : x - Step 2: Convert to fraction form
236,589.05/326,497.83 = 129,163.61/x - Step 3: Cross multiply
236,589.05x = 326,497.83 × 129,163.61 - Step 4: Simplify right side
236,589.05x = 42,171,638,379.97 - Step 5: Solve for x
x = 42,171,638,379.97/236,589.05 - Step 6: Final answer
x = 178,248.48
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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.